Home / 1,642,404.98-2,250,057.22-1,581,000.40

Finding the Fourth Proportional to 1,642,404.98, 2,250,057.22 and 1,581,000.40

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Solution

The fourth proportional to 1,642,404.98, 2,250,057.22 and 1,581,000.40 is: 2,165,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,404.98 : 2,250,057.22 = 1,581,000.40 : x
  2. Step 2: Convert to fraction form
    1,642,404.98/2,250,057.22 = 1,581,000.40/x
  3. Step 3: Cross multiply
    1,642,404.98x = 2,250,057.22 × 1,581,000.40
  4. Step 4: Simplify right side
    1,642,404.98x = 3,557,341,364,842.89
  5. Step 5: Solve for x
    x = 3,557,341,364,842.89/1,642,404.98
  6. Step 6: Final answer
    x = 2,165,934.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.