Home / 2,972,239.86-4,101,691.59-1,810,685.76

Finding the Fourth Proportional to 2,972,239.86, 4,101,691.59 and 1,810,685.76

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Solution

The fourth proportional to 2,972,239.86, 4,101,691.59 and 1,810,685.76 is: 2,498,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,239.86 : 4,101,691.59 = 1,810,685.76 : x
  2. Step 2: Convert to fraction form
    2,972,239.86/4,101,691.59 = 1,810,685.76/x
  3. Step 3: Cross multiply
    2,972,239.86x = 4,101,691.59 × 1,810,685.76
  4. Step 4: Simplify right side
    2,972,239.86x = 7,426,874,553,924.76
  5. Step 5: Solve for x
    x = 7,426,874,553,924.76/2,972,239.86
  6. Step 6: Final answer
    x = 2,498,746.70

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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.