Home / 3,147,335.10-4,721,002.65-2,905,890.30

Finding the Fourth Proportional to 3,147,335.10, 4,721,002.65 and 2,905,890.30

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Solution

The fourth proportional to 3,147,335.10, 4,721,002.65 and 2,905,890.30 is: 4,358,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,335.10 : 4,721,002.65 = 2,905,890.30 : x
  2. Step 2: Convert to fraction form
    3,147,335.10/4,721,002.65 = 2,905,890.30/x
  3. Step 3: Cross multiply
    3,147,335.10x = 4,721,002.65 × 2,905,890.30
  4. Step 4: Simplify right side
    3,147,335.10x = 13,718,715,806,909.29
  5. Step 5: Solve for x
    x = 13,718,715,806,909.29/3,147,335.10
  6. Step 6: Final answer
    x = 4,358,835.45

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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.