Home / 1,912,517.31-2,639,331.96-1,053,108.32

Finding the Fourth Proportional to 1,912,517.31, 2,639,331.96 and 1,053,108.32

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Solution

The fourth proportional to 1,912,517.31, 2,639,331.96 and 1,053,108.32 is: 1,453,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,517.31 : 2,639,331.96 = 1,053,108.32 : x
  2. Step 2: Convert to fraction form
    1,912,517.31/2,639,331.96 = 1,053,108.32/x
  3. Step 3: Cross multiply
    1,912,517.31x = 2,639,331.96 × 1,053,108.32
  4. Step 4: Simplify right side
    1,912,517.31x = 2,779,502,446,317.91
  5. Step 5: Solve for x
    x = 2,779,502,446,317.91/1,912,517.31
  6. Step 6: Final answer
    x = 1,453,321.46

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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.