Home / 3,180,684.60-4,389,244.74-1,730,342.88

Finding the Fourth Proportional to 3,180,684.60, 4,389,244.74 and 1,730,342.88

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Solution

The fourth proportional to 3,180,684.60, 4,389,244.74 and 1,730,342.88 is: 2,387,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,684.60 : 4,389,244.74 = 1,730,342.88 : x
  2. Step 2: Convert to fraction form
    3,180,684.60/4,389,244.74 = 1,730,342.88/x
  3. Step 3: Cross multiply
    3,180,684.60x = 4,389,244.74 × 1,730,342.88
  4. Step 4: Simplify right side
    3,180,684.60x = 7,594,898,384,436.45
  5. Step 5: Solve for x
    x = 7,594,898,384,436.45/3,180,684.60
  6. Step 6: Final answer
    x = 2,387,818.77

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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.