Home / 2,378,934.17-3,282,887.96-1,291,182.38

Finding the Fourth Proportional to 2,378,934.17, 3,282,887.96 and 1,291,182.38

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Solution

The fourth proportional to 2,378,934.17, 3,282,887.96 and 1,291,182.38 is: 1,781,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,934.17 : 3,282,887.96 = 1,291,182.38 : x
  2. Step 2: Convert to fraction form
    2,378,934.17/3,282,887.96 = 1,291,182.38/x
  3. Step 3: Cross multiply
    2,378,934.17x = 3,282,887.96 × 1,291,182.38
  4. Step 4: Simplify right side
    2,378,934.17x = 4,238,807,066,595.79
  5. Step 5: Solve for x
    x = 4,238,807,066,595.79/2,378,934.17
  6. Step 6: Final answer
    x = 1,781,809.32

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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.