Home / 3,087,047.20-4,260,350.64-1,863,653.44

Finding the Fourth Proportional to 3,087,047.20, 4,260,350.64 and 1,863,653.44

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Solution

The fourth proportional to 3,087,047.20, 4,260,350.64 and 1,863,653.44 is: 2,571,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,047.20 : 4,260,350.64 = 1,863,653.44 : x
  2. Step 2: Convert to fraction form
    3,087,047.20/4,260,350.64 = 1,863,653.44/x
  3. Step 3: Cross multiply
    3,087,047.20x = 4,260,350.64 × 1,863,653.44
  4. Step 4: Simplify right side
    3,087,047.20x = 7,939,817,125,842.20
  5. Step 5: Solve for x
    x = 7,939,817,125,842.20/3,087,047.20
  6. Step 6: Final answer
    x = 2,571,977.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.