Home / 2,958,207.28-4,081,974.96-1,668,972.40

Finding the Fourth Proportional to 2,958,207.28, 4,081,974.96 and 1,668,972.40

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Solution

The fourth proportional to 2,958,207.28, 4,081,974.96 and 1,668,972.40 is: 2,302,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,207.28 : 4,081,974.96 = 1,668,972.40 : x
  2. Step 2: Convert to fraction form
    2,958,207.28/4,081,974.96 = 1,668,972.40/x
  3. Step 3: Cross multiply
    2,958,207.28x = 4,081,974.96 × 1,668,972.40
  4. Step 4: Simplify right side
    2,958,207.28x = 6,812,703,545,731.10
  5. Step 5: Solve for x
    x = 6,812,703,545,731.10/2,958,207.28
  6. Step 6: Final answer
    x = 2,302,983.83

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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.