Home / 1,642,642.14-2,266,822.26-917,500.17

Finding the Fourth Proportional to 1,642,642.14, 2,266,822.26 and 917,500.17

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Solution

The fourth proportional to 1,642,642.14, 2,266,822.26 and 917,500.17 is: 1,266,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,642.14 : 2,266,822.26 = 917,500.17 : x
  2. Step 2: Convert to fraction form
    1,642,642.14/2,266,822.26 = 917,500.17/x
  3. Step 3: Cross multiply
    1,642,642.14x = 2,266,822.26 × 917,500.17
  4. Step 4: Simplify right side
    1,642,642.14x = 2,079,809,808,909.78
  5. Step 5: Solve for x
    x = 2,079,809,808,909.78/1,642,642.14
  6. Step 6: Final answer
    x = 1,266,136.89

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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.