Home / 2,161,587.87-2,982,567.42-1,302,195.29

Finding the Fourth Proportional to 2,161,587.87, 2,982,567.42 and 1,302,195.29

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Solution

The fourth proportional to 2,161,587.87, 2,982,567.42 and 1,302,195.29 is: 1,796,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,587.87 : 2,982,567.42 = 1,302,195.29 : x
  2. Step 2: Convert to fraction form
    2,161,587.87/2,982,567.42 = 1,302,195.29/x
  3. Step 3: Cross multiply
    2,161,587.87x = 2,982,567.42 × 1,302,195.29
  4. Step 4: Simplify right side
    2,161,587.87x = 3,883,885,231,518.61
  5. Step 5: Solve for x
    x = 3,883,885,231,518.61/2,161,587.87
  6. Step 6: Final answer
    x = 1,796,774.16

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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.