Home / 2,365,788.18-3,549,699.22-768,840.78

Finding the Fourth Proportional to 2,365,788.18, 3,549,699.22 and 768,840.78

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Solution

The fourth proportional to 2,365,788.18, 3,549,699.22 and 768,840.78 is: 1,153,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365,788.18 : 3,549,699.22 = 768,840.78 : x
  2. Step 2: Convert to fraction form
    2,365,788.18/3,549,699.22 = 768,840.78/x
  3. Step 3: Cross multiply
    2,365,788.18x = 3,549,699.22 × 768,840.78
  4. Step 4: Simplify right side
    2,365,788.18x = 2,729,153,517,070.19
  5. Step 5: Solve for x
    x = 2,729,153,517,070.19/2,365,788.18
  6. Step 6: Final answer
    x = 1,153,591.66

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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.