Home / 2,661,325.85-3,991,931.13-742,186.10

Finding the Fourth Proportional to 2,661,325.85, 3,991,931.13 and 742,186.10

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Solution

The fourth proportional to 2,661,325.85, 3,991,931.13 and 742,186.10 is: 1,113,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,325.85 : 3,991,931.13 = 742,186.10 : x
  2. Step 2: Convert to fraction form
    2,661,325.85/3,991,931.13 = 742,186.10/x
  3. Step 3: Cross multiply
    2,661,325.85x = 3,991,931.13 × 742,186.10
  4. Step 4: Simplify right side
    2,661,325.85x = 2,962,755,796,843.29
  5. Step 5: Solve for x
    x = 2,962,755,796,843.29/2,661,325.85
  6. Step 6: Final answer
    x = 1,113,263.07

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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.