Home / 5,343,670.60-8,020,517.10-2,821,136.20

Finding the Fourth Proportional to 5,343,670.60, 8,020,517.10 and 2,821,136.20

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Solution

The fourth proportional to 5,343,670.60, 8,020,517.10 and 2,821,136.20 is: 4,234,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,670.60 : 8,020,517.10 = 2,821,136.20 : x
  2. Step 2: Convert to fraction form
    5,343,670.60/8,020,517.10 = 2,821,136.20/x
  3. Step 3: Cross multiply
    5,343,670.60x = 8,020,517.10 × 2,821,136.20
  4. Step 4: Simplify right side
    5,343,670.60x = 22,626,971,133,529.02
  5. Step 5: Solve for x
    x = 22,626,971,133,529.02/5,343,670.60
  6. Step 6: Final answer
    x = 4,234,349.91

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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.