Home / 3,186,136.60-4,779,204.90-2,556,280.60

Finding the Fourth Proportional to 3,186,136.60, 4,779,204.90 and 2,556,280.60

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Solution

The fourth proportional to 3,186,136.60, 4,779,204.90 and 2,556,280.60 is: 3,834,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,136.60 : 4,779,204.90 = 2,556,280.60 : x
  2. Step 2: Convert to fraction form
    3,186,136.60/4,779,204.90 = 2,556,280.60/x
  3. Step 3: Cross multiply
    3,186,136.60x = 4,779,204.90 × 2,556,280.60
  4. Step 4: Simplify right side
    3,186,136.60x = 12,216,988,769,294.94
  5. Step 5: Solve for x
    x = 12,216,988,769,294.94/3,186,136.60
  6. Step 6: Final answer
    x = 3,834,420.90

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Similar ratio
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1.5x scale

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.