Home / 3,109,084.32-4,290,423.09-1,732,356.90

Finding the Fourth Proportional to 3,109,084.32, 4,290,423.09 and 1,732,356.90

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Solution

The fourth proportional to 3,109,084.32, 4,290,423.09 and 1,732,356.90 is: 2,390,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,084.32 : 4,290,423.09 = 1,732,356.90 : x
  2. Step 2: Convert to fraction form
    3,109,084.32/4,290,423.09 = 1,732,356.90/x
  3. Step 3: Cross multiply
    3,109,084.32x = 4,290,423.09 × 1,732,356.90
  4. Step 4: Simplify right side
    3,109,084.32x = 7,432,544,043,880.82
  5. Step 5: Solve for x
    x = 7,432,544,043,880.82/3,109,084.32
  6. Step 6: Final answer
    x = 2,390,589.41

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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.