Home / 2,681,560.80-4,022,341.20-788,493.60

Finding the Fourth Proportional to 2,681,560.80, 4,022,341.20 and 788,493.60

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Solution

The fourth proportional to 2,681,560.80, 4,022,341.20 and 788,493.60 is: 1,182,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,560.80 : 4,022,341.20 = 788,493.60 : x
  2. Step 2: Convert to fraction form
    2,681,560.80/4,022,341.20 = 788,493.60/x
  3. Step 3: Cross multiply
    2,681,560.80x = 4,022,341.20 × 788,493.60
  4. Step 4: Simplify right side
    2,681,560.80x = 3,171,590,293,216.32
  5. Step 5: Solve for x
    x = 3,171,590,293,216.32/2,681,560.80
  6. Step 6: Final answer
    x = 1,182,740.40

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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.