Home / 2,078,704.90-3,118,057.35-1,182,909.70

Finding the Fourth Proportional to 2,078,704.90, 3,118,057.35 and 1,182,909.70

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Solution

The fourth proportional to 2,078,704.90, 3,118,057.35 and 1,182,909.70 is: 1,774,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,704.90 : 3,118,057.35 = 1,182,909.70 : x
  2. Step 2: Convert to fraction form
    2,078,704.90/3,118,057.35 = 1,182,909.70/x
  3. Step 3: Cross multiply
    2,078,704.90x = 3,118,057.35 × 1,182,909.70
  4. Step 4: Simplify right side
    2,078,704.90x = 3,688,380,284,471.30
  5. Step 5: Solve for x
    x = 3,688,380,284,471.30/2,078,704.90
  6. Step 6: Final answer
    x = 1,774,364.55

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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.