Home / 4,678,468.31-7,018,366.76-1,440,275.46

Finding the Fourth Proportional to 4,678,468.31, 7,018,366.76 and 1,440,275.46

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Solution

The fourth proportional to 4,678,468.31, 7,018,366.76 and 1,440,275.46 is: 2,160,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,468.31 : 7,018,366.76 = 1,440,275.46 : x
  2. Step 2: Convert to fraction form
    4,678,468.31/7,018,366.76 = 1,440,275.46/x
  3. Step 3: Cross multiply
    4,678,468.31x = 7,018,366.76 × 1,440,275.46
  4. Step 4: Simplify right side
    4,678,468.31x = 10,108,381,406,506.33
  5. Step 5: Solve for x
    x = 10,108,381,406,506.33/4,678,468.31
  6. Step 6: Final answer
    x = 2,160,617.70

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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.