Home / 1,642,346.46-2,266,109.39-917,082.59

Finding the Fourth Proportional to 1,642,346.46, 2,266,109.39 and 917,082.59

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Solution

The fourth proportional to 1,642,346.46, 2,266,109.39 and 917,082.59 is: 1,265,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,346.46 : 2,266,109.39 = 917,082.59 : x
  2. Step 2: Convert to fraction form
    1,642,346.46/2,266,109.39 = 917,082.59/x
  3. Step 3: Cross multiply
    1,642,346.46x = 2,266,109.39 × 917,082.59
  4. Step 4: Simplify right side
    1,642,346.46x = 2,078,209,459,566.68
  5. Step 5: Solve for x
    x = 2,078,209,459,566.68/1,642,346.46
  6. Step 6: Final answer
    x = 1,265,390.41

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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.