Home / 2,774,498.40-4,161,747.60-881,431.20

Finding the Fourth Proportional to 2,774,498.40, 4,161,747.60 and 881,431.20

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Solution

The fourth proportional to 2,774,498.40, 4,161,747.60 and 881,431.20 is: 1,322,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,498.40 : 4,161,747.60 = 881,431.20 : x
  2. Step 2: Convert to fraction form
    2,774,498.40/4,161,747.60 = 881,431.20/x
  3. Step 3: Cross multiply
    2,774,498.40x = 4,161,747.60 × 881,431.20
  4. Step 4: Simplify right side
    2,774,498.40x = 3,668,294,181,165.12
  5. Step 5: Solve for x
    x = 3,668,294,181,165.12/2,774,498.40
  6. Step 6: Final answer
    x = 1,322,146.80

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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.