Home / 2,390,815.57-3,299,326.71-1,358,325.17

Finding the Fourth Proportional to 2,390,815.57, 3,299,326.71 and 1,358,325.17

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Solution

The fourth proportional to 2,390,815.57, 3,299,326.71 and 1,358,325.17 is: 1,874,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,815.57 : 3,299,326.71 = 1,358,325.17 : x
  2. Step 2: Convert to fraction form
    2,390,815.57/3,299,326.71 = 1,358,325.17/x
  3. Step 3: Cross multiply
    2,390,815.57x = 3,299,326.71 × 1,358,325.17
  4. Step 4: Simplify right side
    2,390,815.57x = 4,481,558,514,246.29
  5. Step 5: Solve for x
    x = 4,481,558,514,246.29/2,390,815.57
  6. Step 6: Final answer
    x = 1,874,489.43

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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.