Home / 3,119,183.60-4,678,775.40-2,153,404.40

Finding the Fourth Proportional to 3,119,183.60, 4,678,775.40 and 2,153,404.40

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Solution

The fourth proportional to 3,119,183.60, 4,678,775.40 and 2,153,404.40 is: 3,230,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,183.60 : 4,678,775.40 = 2,153,404.40 : x
  2. Step 2: Convert to fraction form
    3,119,183.60/4,678,775.40 = 2,153,404.40/x
  3. Step 3: Cross multiply
    3,119,183.60x = 4,678,775.40 × 2,153,404.40
  4. Step 4: Simplify right side
    3,119,183.60x = 10,075,295,532,971.76
  5. Step 5: Solve for x
    x = 10,075,295,532,971.76/3,119,183.60
  6. Step 6: Final answer
    x = 3,230,106.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.