Home / 2,789,384.90-4,182,451.61-1,081,533

Finding the Fourth Proportional to 2,789,384.90, 4,182,451.61 and 1,081,533

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Solution

The fourth proportional to 2,789,384.90, 4,182,451.61 and 1,081,533 is: 1,621,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,384.90 : 4,182,451.61 = 1,081,533 : x
  2. Step 2: Convert to fraction form
    2,789,384.90/4,182,451.61 = 1,081,533/x
  3. Step 3: Cross multiply
    2,789,384.90x = 4,182,451.61 × 1,081,533
  4. Step 4: Simplify right side
    2,789,384.90x = 4,523,459,439,821.96
  5. Step 5: Solve for x
    x = 4,523,459,439,821.96/2,789,384.90
  6. Step 6: Final answer
    x = 1,621,669.15

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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.