Home / 3,115,937.60-4,673,560.80-872,302.40

Finding the Fourth Proportional to 3,115,937.60, 4,673,560.80 and 872,302.40

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Solution

The fourth proportional to 3,115,937.60, 4,673,560.80 and 872,302.40 is: 1,308,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,937.60 : 4,673,560.80 = 872,302.40 : x
  2. Step 2: Convert to fraction form
    3,115,937.60/4,673,560.80 = 872,302.40/x
  3. Step 3: Cross multiply
    3,115,937.60x = 4,673,560.80 × 872,302.40
  4. Step 4: Simplify right side
    3,115,937.60x = 4,076,758,302,385.92
  5. Step 5: Solve for x
    x = 4,076,758,302,385.92/3,115,937.60
  6. Step 6: Final answer
    x = 1,308,356.85

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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.