Home / 2,772,429.85-4,158,793.41-879,318.91

Finding the Fourth Proportional to 2,772,429.85, 4,158,793.41 and 879,318.91

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Solution

The fourth proportional to 2,772,429.85, 4,158,793.41 and 879,318.91 is: 1,319,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,429.85 : 4,158,793.41 = 879,318.91 : x
  2. Step 2: Convert to fraction form
    2,772,429.85/4,158,793.41 = 879,318.91/x
  3. Step 3: Cross multiply
    2,772,429.85x = 4,158,793.41 × 879,318.91
  4. Step 4: Simplify right side
    2,772,429.85x = 3,656,905,688,196.38
  5. Step 5: Solve for x
    x = 3,656,905,688,196.38/2,772,429.85
  6. Step 6: Final answer
    x = 1,319,025.51

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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.