Home / 2,772,055.90-4,157,695.05-878,988.70

Finding the Fourth Proportional to 2,772,055.90, 4,157,695.05 and 878,988.70

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Solution

The fourth proportional to 2,772,055.90, 4,157,695.05 and 878,988.70 is: 1,318,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,055.90 : 4,157,695.05 = 878,988.70 : x
  2. Step 2: Convert to fraction form
    2,772,055.90/4,157,695.05 = 878,988.70/x
  3. Step 3: Cross multiply
    2,772,055.90x = 4,157,695.05 × 878,988.70
  4. Step 4: Simplify right side
    2,772,055.90x = 3,654,566,966,995.93
  5. Step 5: Solve for x
    x = 3,654,566,966,995.93/2,772,055.90
  6. Step 6: Final answer
    x = 1,318,359.77

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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.