Home / 2,378,841.59-3,282,804.47-1,291,113.04

Finding the Fourth Proportional to 2,378,841.59, 3,282,804.47 and 1,291,113.04

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Solution

The fourth proportional to 2,378,841.59, 3,282,804.47 and 1,291,113.04 is: 1,781,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,841.59 : 3,282,804.47 = 1,291,113.04 : x
  2. Step 2: Convert to fraction form
    2,378,841.59/3,282,804.47 = 1,291,113.04/x
  3. Step 3: Cross multiply
    2,378,841.59x = 3,282,804.47 × 1,291,113.04
  4. Step 4: Simplify right side
    2,378,841.59x = 4,238,471,644,324.71
  5. Step 5: Solve for x
    x = 4,238,471,644,324.71/2,378,841.59
  6. Step 6: Final answer
    x = 1,781,737.66

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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.