Home / 2,692,720-3,715,868.28-1,531,292.50

Finding the Fourth Proportional to 2,692,720, 3,715,868.28 and 1,531,292.50

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Solution

The fourth proportional to 2,692,720, 3,715,868.28 and 1,531,292.50 is: 2,113,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,720 : 3,715,868.28 = 1,531,292.50 : x
  2. Step 2: Convert to fraction form
    2,692,720/3,715,868.28 = 1,531,292.50/x
  3. Step 3: Cross multiply
    2,692,720x = 3,715,868.28 × 1,531,292.50
  4. Step 4: Simplify right side
    2,692,720x = 5,690,081,228,151.90
  5. Step 5: Solve for x
    x = 5,690,081,228,151.90/2,692,720
  6. Step 6: Final answer
    x = 2,113,135.13

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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.