Home / 2,808,059.40-4,212,089.10-2,780,065.80

Finding the Fourth Proportional to 2,808,059.40, 4,212,089.10 and 2,780,065.80

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Solution

The fourth proportional to 2,808,059.40, 4,212,089.10 and 2,780,065.80 is: 4,170,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,059.40 : 4,212,089.10 = 2,780,065.80 : x
  2. Step 2: Convert to fraction form
    2,808,059.40/4,212,089.10 = 2,780,065.80/x
  3. Step 3: Cross multiply
    2,808,059.40x = 4,212,089.10 × 2,780,065.80
  4. Step 4: Simplify right side
    2,808,059.40x = 11,709,884,853,462.78
  5. Step 5: Solve for x
    x = 11,709,884,853,462.78/2,808,059.40
  6. Step 6: Final answer
    x = 4,170,098.70

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Similar ratio
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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.