Home / 4,855,426.60-7,283,139.90-1,489,628.20

Finding the Fourth Proportional to 4,855,426.60, 7,283,139.90 and 1,489,628.20

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Solution

The fourth proportional to 4,855,426.60, 7,283,139.90 and 1,489,628.20 is: 2,234,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,426.60 : 7,283,139.90 = 1,489,628.20 : x
  2. Step 2: Convert to fraction form
    4,855,426.60/7,283,139.90 = 1,489,628.20/x
  3. Step 3: Cross multiply
    4,855,426.60x = 7,283,139.90 × 1,489,628.20
  4. Step 4: Simplify right side
    4,855,426.60x = 10,849,170,579,585.18
  5. Step 5: Solve for x
    x = 10,849,170,579,585.18/4,855,426.60
  6. Step 6: Final answer
    x = 2,234,442.30

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Similar ratio
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1.5x scale

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.