Home / 1,643,034.90-2,462,349.32-1,278,736.38

Finding the Fourth Proportional to 1,643,034.90, 2,462,349.32 and 1,278,736.38

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Solution

The fourth proportional to 1,643,034.90, 2,462,349.32 and 1,278,736.38 is: 1,916,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,034.90 : 2,462,349.32 = 1,278,736.38 : x
  2. Step 2: Convert to fraction form
    1,643,034.90/2,462,349.32 = 1,278,736.38/x
  3. Step 3: Cross multiply
    1,643,034.90x = 2,462,349.32 × 1,278,736.38
  4. Step 4: Simplify right side
    1,643,034.90x = 3,148,695,655,752.26
  5. Step 5: Solve for x
    x = 3,148,695,655,752.26/1,643,034.90
  6. Step 6: Final answer
    x = 1,916,390.00

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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.