Home / 2,145,538.66-2,960,332.90-1,215,254.47

Finding the Fourth Proportional to 2,145,538.66, 2,960,332.90 and 1,215,254.47

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Solution

The fourth proportional to 2,145,538.66, 2,960,332.90 and 1,215,254.47 is: 1,676,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,538.66 : 2,960,332.90 = 1,215,254.47 : x
  2. Step 2: Convert to fraction form
    2,145,538.66/2,960,332.90 = 1,215,254.47/x
  3. Step 3: Cross multiply
    2,145,538.66x = 2,960,332.90 × 1,215,254.47
  4. Step 4: Simplify right side
    2,145,538.66x = 3,597,557,789,413.06
  5. Step 5: Solve for x
    x = 3,597,557,789,413.06/2,145,538.66
  6. Step 6: Final answer
    x = 1,676,762.04

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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.