Home / 1,600,511.22-2,398,101.36-1,126,200.12

Finding the Fourth Proportional to 1,600,511.22, 2,398,101.36 and 1,126,200.12

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Solution

The fourth proportional to 1,600,511.22, 2,398,101.36 and 1,126,200.12 is: 1,687,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,511.22 : 2,398,101.36 = 1,126,200.12 : x
  2. Step 2: Convert to fraction form
    1,600,511.22/2,398,101.36 = 1,126,200.12/x
  3. Step 3: Cross multiply
    1,600,511.22x = 2,398,101.36 × 1,126,200.12
  4. Step 4: Simplify right side
    1,600,511.22x = 2,700,742,039,404.16
  5. Step 5: Solve for x
    x = 2,700,742,039,404.16/1,600,511.22
  6. Step 6: Final answer
    x = 1,687,424.62

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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.