Home / 1,581,560.16-2,182,563.45-856,407.86

Finding the Fourth Proportional to 1,581,560.16, 2,182,563.45 and 856,407.86

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Solution

The fourth proportional to 1,581,560.16, 2,182,563.45 and 856,407.86 is: 1,181,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,560.16 : 2,182,563.45 = 856,407.86 : x
  2. Step 2: Convert to fraction form
    1,581,560.16/2,182,563.45 = 856,407.86/x
  3. Step 3: Cross multiply
    1,581,560.16x = 2,182,563.45 × 856,407.86
  4. Step 4: Simplify right side
    1,581,560.16x = 1,869,164,482,615.90
  5. Step 5: Solve for x
    x = 1,869,164,482,615.90/1,581,560.16
  6. Step 6: Final answer
    x = 1,181,848.49

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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.