Home / 2,637,882.40-3,956,823.60-1,560,128.80

Finding the Fourth Proportional to 2,637,882.40, 3,956,823.60 and 1,560,128.80

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Solution

The fourth proportional to 2,637,882.40, 3,956,823.60 and 1,560,128.80 is: 2,340,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,882.40 : 3,956,823.60 = 1,560,128.80 : x
  2. Step 2: Convert to fraction form
    2,637,882.40/3,956,823.60 = 1,560,128.80/x
  3. Step 3: Cross multiply
    2,637,882.40x = 3,956,823.60 × 1,560,128.80
  4. Step 4: Simplify right side
    2,637,882.40x = 6,173,154,454,879.68
  5. Step 5: Solve for x
    x = 6,173,154,454,879.68/2,637,882.40
  6. Step 6: Final answer
    x = 2,340,193.20

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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.