Home / 3,814,898.40-5,718,790.08-1,288,787.04

Finding the Fourth Proportional to 3,814,898.40, 5,718,790.08 and 1,288,787.04

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Solution

The fourth proportional to 3,814,898.40, 5,718,790.08 and 1,288,787.04 is: 1,931,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814,898.40 : 5,718,790.08 = 1,288,787.04 : x
  2. Step 2: Convert to fraction form
    3,814,898.40/5,718,790.08 = 1,288,787.04/x
  3. Step 3: Cross multiply
    3,814,898.40x = 5,718,790.08 × 1,288,787.04
  4. Step 4: Simplify right side
    3,814,898.40x = 7,370,302,539,584.56
  5. Step 5: Solve for x
    x = 7,370,302,539,584.56/3,814,898.40
  6. Step 6: Final answer
    x = 1,931,978.72

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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.