Home / 1,821,150.29-2,513,207.76-1,005,354.40

Finding the Fourth Proportional to 1,821,150.29, 2,513,207.76 and 1,005,354.40

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Solution

The fourth proportional to 1,821,150.29, 2,513,207.76 and 1,005,354.40 is: 1,387,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,150.29 : 2,513,207.76 = 1,005,354.40 : x
  2. Step 2: Convert to fraction form
    1,821,150.29/2,513,207.76 = 1,005,354.40/x
  3. Step 3: Cross multiply
    1,821,150.29x = 2,513,207.76 × 1,005,354.40
  4. Step 4: Simplify right side
    1,821,150.29x = 2,526,664,479,630.14
  5. Step 5: Solve for x
    x = 2,526,664,479,630.14/1,821,150.29
  6. Step 6: Final answer
    x = 1,387,400.31

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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.