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Finding the Fourth Proportional to 2,713,281, 4,069,999.26 and 718,737

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Solution

The fourth proportional to 2,713,281, 4,069,999.26 and 718,737 is: 1,078,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,281 : 4,069,999.26 = 718,737 : x
  2. Step 2: Convert to fraction form
    2,713,281/4,069,999.26 = 718,737/x
  3. Step 3: Cross multiply
    2,713,281x = 4,069,999.26 × 718,737
  4. Step 4: Simplify right side
    2,713,281x = 2,925,259,058,134.62
  5. Step 5: Solve for x
    x = 2,925,259,058,134.62/2,713,281
  6. Step 6: Final answer
    x = 1,078,126.10

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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.