Home / 5,106,192.40-7,046,702.76-2,931,132.88

Finding the Fourth Proportional to 5,106,192.40, 7,046,702.76 and 2,931,132.88

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Solution

The fourth proportional to 5,106,192.40, 7,046,702.76 and 2,931,132.88 is: 4,045,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,192.40 : 7,046,702.76 = 2,931,132.88 : x
  2. Step 2: Convert to fraction form
    5,106,192.40/7,046,702.76 = 2,931,132.88/x
  3. Step 3: Cross multiply
    5,106,192.40x = 7,046,702.76 × 2,931,132.88
  4. Step 4: Simplify right side
    5,106,192.40x = 20,654,822,155,422.75
  5. Step 5: Solve for x
    x = 20,654,822,155,422.75/5,106,192.40
  6. Step 6: Final answer
    x = 4,045,053.64

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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.