Home / 2,781,816.36-4,172,724.54-1,518,955.08

Finding the Fourth Proportional to 2,781,816.36, 4,172,724.54 and 1,518,955.08

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Solution

The fourth proportional to 2,781,816.36, 4,172,724.54 and 1,518,955.08 is: 2,278,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,816.36 : 4,172,724.54 = 1,518,955.08 : x
  2. Step 2: Convert to fraction form
    2,781,816.36/4,172,724.54 = 1,518,955.08/x
  3. Step 3: Cross multiply
    2,781,816.36x = 4,172,724.54 × 1,518,955.08
  4. Step 4: Simplify right side
    2,781,816.36x = 6,338,181,137,473.66
  5. Step 5: Solve for x
    x = 6,338,181,137,473.66/2,781,816.36
  6. Step 6: Final answer
    x = 2,278,432.62

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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.