Home / 2,485,538.22-3,430,957.95-2,182,838.70

Finding the Fourth Proportional to 2,485,538.22, 3,430,957.95 and 2,182,838.70

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Solution

The fourth proportional to 2,485,538.22, 3,430,957.95 and 2,182,838.70 is: 3,013,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,538.22 : 3,430,957.95 = 2,182,838.70 : x
  2. Step 2: Convert to fraction form
    2,485,538.22/3,430,957.95 = 2,182,838.70/x
  3. Step 3: Cross multiply
    2,485,538.22x = 3,430,957.95 × 2,182,838.70
  4. Step 4: Simplify right side
    2,485,538.22x = 7,489,227,791,332.67
  5. Step 5: Solve for x
    x = 7,489,227,791,332.67/2,485,538.22
  6. Step 6: Final answer
    x = 3,013,121.15

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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.