Home / 2,165,639.45-3,247,337.79-1,154,489.81

Finding the Fourth Proportional to 2,165,639.45, 3,247,337.79 and 1,154,489.81

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Solution

The fourth proportional to 2,165,639.45, 3,247,337.79 and 1,154,489.81 is: 1,731,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,639.45 : 3,247,337.79 = 1,154,489.81 : x
  2. Step 2: Convert to fraction form
    2,165,639.45/3,247,337.79 = 1,154,489.81/x
  3. Step 3: Cross multiply
    2,165,639.45x = 3,247,337.79 × 1,154,489.81
  4. Step 4: Simplify right side
    2,165,639.45x = 3,749,018,371,946.23
  5. Step 5: Solve for x
    x = 3,749,018,371,946.23/2,165,639.45
  6. Step 6: Final answer
    x = 1,731,136.91

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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.