Home / 3,438,411.80-5,157,617.70-879,621.80

Finding the Fourth Proportional to 3,438,411.80, 5,157,617.70 and 879,621.80

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Solution

The fourth proportional to 3,438,411.80, 5,157,617.70 and 879,621.80 is: 1,319,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,411.80 : 5,157,617.70 = 879,621.80 : x
  2. Step 2: Convert to fraction form
    3,438,411.80/5,157,617.70 = 879,621.80/x
  3. Step 3: Cross multiply
    3,438,411.80x = 5,157,617.70 × 879,621.80
  4. Step 4: Simplify right side
    3,438,411.80x = 4,536,752,964,985.86
  5. Step 5: Solve for x
    x = 4,536,752,964,985.86/3,438,411.80
  6. Step 6: Final answer
    x = 1,319,432.70

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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.