Home / 3,422,528.80-5,127,572.40-2,788,007.20

Finding the Fourth Proportional to 3,422,528.80, 5,127,572.40 and 2,788,007.20

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Solution

The fourth proportional to 3,422,528.80, 5,127,572.40 and 2,788,007.20 is: 4,176,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,528.80 : 5,127,572.40 = 2,788,007.20 : x
  2. Step 2: Convert to fraction form
    3,422,528.80/5,127,572.40 = 2,788,007.20/x
  3. Step 3: Cross multiply
    3,422,528.80x = 5,127,572.40 × 2,788,007.20
  4. Step 4: Simplify right side
    3,422,528.80x = 14,295,708,769,721.28
  5. Step 5: Solve for x
    x = 14,295,708,769,721.28/3,422,528.80
  6. Step 6: Final answer
    x = 4,176,943.31

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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.