Home / 2,772,038.40-4,157,668.80-878,971.20

Finding the Fourth Proportional to 2,772,038.40, 4,157,668.80 and 878,971.20

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Solution

The fourth proportional to 2,772,038.40, 4,157,668.80 and 878,971.20 is: 1,318,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,038.40 : 4,157,668.80 = 878,971.20 : x
  2. Step 2: Convert to fraction form
    2,772,038.40/4,157,668.80 = 878,971.20/x
  3. Step 3: Cross multiply
    2,772,038.40x = 4,157,668.80 × 878,971.20
  4. Step 4: Simplify right side
    2,772,038.40x = 3,654,471,134,338.56
  5. Step 5: Solve for x
    x = 3,654,471,134,338.56/2,772,038.40
  6. Step 6: Final answer
    x = 1,318,333.52

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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.