Home / 3,218,114.70-4,825,746.45-1,087,620.30

Finding the Fourth Proportional to 3,218,114.70, 4,825,746.45 and 1,087,620.30

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Solution

The fourth proportional to 3,218,114.70, 4,825,746.45 and 1,087,620.30 is: 1,630,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,114.70 : 4,825,746.45 = 1,087,620.30 : x
  2. Step 2: Convert to fraction form
    3,218,114.70/4,825,746.45 = 1,087,620.30/x
  3. Step 3: Cross multiply
    3,218,114.70x = 4,825,746.45 × 1,087,620.30
  4. Step 4: Simplify right side
    3,218,114.70x = 5,248,579,801,672.94
  5. Step 5: Solve for x
    x = 5,248,579,801,672.94/3,218,114.70
  6. Step 6: Final answer
    x = 1,630,948.64

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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.