Home / 2,669,139.60-4,003,709.40-2,545,136.70

Finding the Fourth Proportional to 2,669,139.60, 4,003,709.40 and 2,545,136.70

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Solution

The fourth proportional to 2,669,139.60, 4,003,709.40 and 2,545,136.70 is: 3,817,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,139.60 : 4,003,709.40 = 2,545,136.70 : x
  2. Step 2: Convert to fraction form
    2,669,139.60/4,003,709.40 = 2,545,136.70/x
  3. Step 3: Cross multiply
    2,669,139.60x = 4,003,709.40 × 2,545,136.70
  4. Step 4: Simplify right side
    2,669,139.60x = 10,189,987,730,074.98
  5. Step 5: Solve for x
    x = 10,189,987,730,074.98/2,669,139.60
  6. Step 6: Final answer
    x = 3,817,705.05

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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.