Home / 2,630,541.78-3,943,479.87-1,281,950.10

Finding the Fourth Proportional to 2,630,541.78, 3,943,479.87 and 1,281,950.10

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Solution

The fourth proportional to 2,630,541.78, 3,943,479.87 and 1,281,950.10 is: 1,921,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,541.78 : 3,943,479.87 = 1,281,950.10 : x
  2. Step 2: Convert to fraction form
    2,630,541.78/3,943,479.87 = 1,281,950.10/x
  3. Step 3: Cross multiply
    2,630,541.78x = 3,943,479.87 × 1,281,950.10
  4. Step 4: Simplify right side
    2,630,541.78x = 5,055,344,413,694.49
  5. Step 5: Solve for x
    x = 5,055,344,413,694.49/2,630,541.78
  6. Step 6: Final answer
    x = 1,921,788.30

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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.