Home / 3,146,972.80-4,342,696.32-1,858,228.24

Finding the Fourth Proportional to 3,146,972.80, 4,342,696.32 and 1,858,228.24

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Solution

The fourth proportional to 3,146,972.80, 4,342,696.32 and 1,858,228.24 is: 2,564,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,972.80 : 4,342,696.32 = 1,858,228.24 : x
  2. Step 2: Convert to fraction form
    3,146,972.80/4,342,696.32 = 1,858,228.24/x
  3. Step 3: Cross multiply
    3,146,972.80x = 4,342,696.32 × 1,858,228.24
  4. Step 4: Simplify right side
    3,146,972.80x = 8,069,720,939,568.08
  5. Step 5: Solve for x
    x = 8,069,720,939,568.08/3,146,972.80
  6. Step 6: Final answer
    x = 2,564,280.49

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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.