Home / 3,030,189.71-4,178,271.08-2,477,179.43

Finding the Fourth Proportional to 3,030,189.71, 4,178,271.08 and 2,477,179.43

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Solution

The fourth proportional to 3,030,189.71, 4,178,271.08 and 2,477,179.43 is: 3,415,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030,189.71 : 4,178,271.08 = 2,477,179.43 : x
  2. Step 2: Convert to fraction form
    3,030,189.71/4,178,271.08 = 2,477,179.43/x
  3. Step 3: Cross multiply
    3,030,189.71x = 4,178,271.08 × 2,477,179.43
  4. Step 4: Simplify right side
    3,030,189.71x = 10,350,327,139,062.63
  5. Step 5: Solve for x
    x = 10,350,327,139,062.63/3,030,189.71
  6. Step 6: Final answer
    x = 3,415,735.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.