Home / 2,681,570.40-4,022,355.60-2,461,120.80

Finding the Fourth Proportional to 2,681,570.40, 4,022,355.60 and 2,461,120.80

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Solution

The fourth proportional to 2,681,570.40, 4,022,355.60 and 2,461,120.80 is: 3,691,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,570.40 : 4,022,355.60 = 2,461,120.80 : x
  2. Step 2: Convert to fraction form
    2,681,570.40/4,022,355.60 = 2,461,120.80/x
  3. Step 3: Cross multiply
    2,681,570.40x = 4,022,355.60 × 2,461,120.80
  4. Step 4: Simplify right side
    2,681,570.40x = 9,899,503,032,156.48
  5. Step 5: Solve for x
    x = 9,899,503,032,156.48/2,681,570.40
  6. Step 6: Final answer
    x = 3,691,681.20

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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.