Home / 2,186,814.60-3,280,221.90-1,230,220.80

Finding the Fourth Proportional to 2,186,814.60, 3,280,221.90 and 1,230,220.80

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Solution

The fourth proportional to 2,186,814.60, 3,280,221.90 and 1,230,220.80 is: 1,845,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,814.60 : 3,280,221.90 = 1,230,220.80 : x
  2. Step 2: Convert to fraction form
    2,186,814.60/3,280,221.90 = 1,230,220.80/x
  3. Step 3: Cross multiply
    2,186,814.60x = 3,280,221.90 × 1,230,220.80
  4. Step 4: Simplify right side
    2,186,814.60x = 4,035,397,209,995.52
  5. Step 5: Solve for x
    x = 4,035,397,209,995.52/2,186,814.60
  6. Step 6: Final answer
    x = 1,845,331.20

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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.