Home / 1,638,666.90-2,458,115.55-929,034.90

Finding the Fourth Proportional to 1,638,666.90, 2,458,115.55 and 929,034.90

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Solution

The fourth proportional to 1,638,666.90, 2,458,115.55 and 929,034.90 is: 1,393,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,666.90 : 2,458,115.55 = 929,034.90 : x
  2. Step 2: Convert to fraction form
    1,638,666.90/2,458,115.55 = 929,034.90/x
  3. Step 3: Cross multiply
    1,638,666.90x = 2,458,115.55 × 929,034.90
  4. Step 4: Simplify right side
    1,638,666.90x = 2,283,675,134,182.69
  5. Step 5: Solve for x
    x = 2,283,675,134,182.69/1,638,666.90
  6. Step 6: Final answer
    x = 1,393,617.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.