Home / 1,581,056.52-2,181,839.90-855,888.32

Finding the Fourth Proportional to 1,581,056.52, 2,181,839.90 and 855,888.32

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Solution

The fourth proportional to 1,581,056.52, 2,181,839.90 and 855,888.32 is: 1,181,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,056.52 : 2,181,839.90 = 855,888.32 : x
  2. Step 2: Convert to fraction form
    1,581,056.52/2,181,839.90 = 855,888.32/x
  3. Step 3: Cross multiply
    1,581,056.52x = 2,181,839.90 × 855,888.32
  4. Step 4: Simplify right side
    1,581,056.52x = 1,867,411,287,695.13
  5. Step 5: Solve for x
    x = 1,867,411,287,695.13/1,581,056.52
  6. Step 6: Final answer
    x = 1,181,116.09

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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.