Home / 5,433,522.49-8,150,562.81-1,390,045.17

Finding the Fourth Proportional to 5,433,522.49, 8,150,562.81 and 1,390,045.17

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Solution

The fourth proportional to 5,433,522.49, 8,150,562.81 and 1,390,045.17 is: 2,085,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,522.49 : 8,150,562.81 = 1,390,045.17 : x
  2. Step 2: Convert to fraction form
    5,433,522.49/8,150,562.81 = 1,390,045.17/x
  3. Step 3: Cross multiply
    5,433,522.49x = 8,150,562.81 × 1,390,045.17
  4. Step 4: Simplify right side
    5,433,522.49x = 11,329,650,466,822.13
  5. Step 5: Solve for x
    x = 11,329,650,466,822.13/5,433,522.49
  6. Step 6: Final answer
    x = 2,085,139.15

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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.