Home / 1,642,180.62-2,266,187.85-917,041.08

Finding the Fourth Proportional to 1,642,180.62, 2,266,187.85 and 917,041.08

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Solution

The fourth proportional to 1,642,180.62, 2,266,187.85 and 917,041.08 is: 1,265,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,180.62 : 2,266,187.85 = 917,041.08 : x
  2. Step 2: Convert to fraction form
    1,642,180.62/2,266,187.85 = 917,041.08/x
  3. Step 3: Cross multiply
    1,642,180.62x = 2,266,187.85 × 917,041.08
  4. Step 4: Simplify right side
    1,642,180.62x = 2,078,187,353,446.88
  5. Step 5: Solve for x
    x = 2,078,187,353,446.88/1,642,180.62
  6. Step 6: Final answer
    x = 1,265,504.74

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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.