Home / 3,147,406.20-4,721,109.30-2,899,400.40

Finding the Fourth Proportional to 3,147,406.20, 4,721,109.30 and 2,899,400.40

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Solution

The fourth proportional to 3,147,406.20, 4,721,109.30 and 2,899,400.40 is: 4,349,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,406.20 : 4,721,109.30 = 2,899,400.40 : x
  2. Step 2: Convert to fraction form
    3,147,406.20/4,721,109.30 = 2,899,400.40/x
  3. Step 3: Cross multiply
    3,147,406.20x = 4,721,109.30 × 2,899,400.40
  4. Step 4: Simplify right side
    3,147,406.20x = 13,688,386,192,863.72
  5. Step 5: Solve for x
    x = 13,688,386,192,863.72/3,147,406.20
  6. Step 6: Final answer
    x = 4,349,100.60

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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.