Home / 4,314,871.20-6,474,639.60-1,919,085.60

Finding the Fourth Proportional to 4,314,871.20, 6,474,639.60 and 1,919,085.60

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Solution

The fourth proportional to 4,314,871.20, 6,474,639.60 and 1,919,085.60 is: 2,879,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314,871.20 : 6,474,639.60 = 1,919,085.60 : x
  2. Step 2: Convert to fraction form
    4,314,871.20/6,474,639.60 = 1,919,085.60/x
  3. Step 3: Cross multiply
    4,314,871.20x = 6,474,639.60 × 1,919,085.60
  4. Step 4: Simplify right side
    4,314,871.20x = 12,425,387,621,549.76
  5. Step 5: Solve for x
    x = 12,425,387,621,549.76/4,314,871.20
  6. Step 6: Final answer
    x = 2,879,665.94

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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.