Home / 3,120,259.80-4,680,389.70-2,579,050.20

Finding the Fourth Proportional to 3,120,259.80, 4,680,389.70 and 2,579,050.20

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Solution

The fourth proportional to 3,120,259.80, 4,680,389.70 and 2,579,050.20 is: 3,868,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,259.80 : 4,680,389.70 = 2,579,050.20 : x
  2. Step 2: Convert to fraction form
    3,120,259.80/4,680,389.70 = 2,579,050.20/x
  3. Step 3: Cross multiply
    3,120,259.80x = 4,680,389.70 × 2,579,050.20
  4. Step 4: Simplify right side
    3,120,259.80x = 12,070,959,991,862.94
  5. Step 5: Solve for x
    x = 12,070,959,991,862.94/3,120,259.80
  6. Step 6: Final answer
    x = 3,868,575.30

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Double scale
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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.