Home / 3,136,937.20-4,705,405.80-1,874,114.80

Finding the Fourth Proportional to 3,136,937.20, 4,705,405.80 and 1,874,114.80

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Solution

The fourth proportional to 3,136,937.20, 4,705,405.80 and 1,874,114.80 is: 2,811,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,937.20 : 4,705,405.80 = 1,874,114.80 : x
  2. Step 2: Convert to fraction form
    3,136,937.20/4,705,405.80 = 1,874,114.80/x
  3. Step 3: Cross multiply
    3,136,937.20x = 4,705,405.80 × 1,874,114.80
  4. Step 4: Simplify right side
    3,136,937.20x = 8,818,470,649,785.84
  5. Step 5: Solve for x
    x = 8,818,470,649,785.84/3,136,937.20
  6. Step 6: Final answer
    x = 2,811,172.20

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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.