Home / 2,686,048.20-4,025,961.90-1,087,561.80

Finding the Fourth Proportional to 2,686,048.20, 4,025,961.90 and 1,087,561.80

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Solution

The fourth proportional to 2,686,048.20, 4,025,961.90 and 1,087,561.80 is: 1,630,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,048.20 : 4,025,961.90 = 1,087,561.80 : x
  2. Step 2: Convert to fraction form
    2,686,048.20/4,025,961.90 = 1,087,561.80/x
  3. Step 3: Cross multiply
    2,686,048.20x = 4,025,961.90 × 1,087,561.80
  4. Step 4: Simplify right side
    2,686,048.20x = 4,378,482,370,695.42
  5. Step 5: Solve for x
    x = 4,378,482,370,695.42/2,686,048.20
  6. Step 6: Final answer
    x = 1,630,083.32

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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.