Home / 1,931,006.18-2,664,611.88-1,145,936.90

Finding the Fourth Proportional to 1,931,006.18, 2,664,611.88 and 1,145,936.90

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Solution

The fourth proportional to 1,931,006.18, 2,664,611.88 and 1,145,936.90 is: 1,581,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,006.18 : 2,664,611.88 = 1,145,936.90 : x
  2. Step 2: Convert to fraction form
    1,931,006.18/2,664,611.88 = 1,145,936.90/x
  3. Step 3: Cross multiply
    1,931,006.18x = 2,664,611.88 × 1,145,936.90
  4. Step 4: Simplify right side
    1,931,006.18x = 3,053,477,077,470.37
  5. Step 5: Solve for x
    x = 3,053,477,077,470.37/1,931,006.18
  6. Step 6: Final answer
    x = 1,581,288.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.