Home / 2,772,421.60-4,156,558.80-1,511,672.80

Finding the Fourth Proportional to 2,772,421.60, 4,156,558.80 and 1,511,672.80

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Solution

The fourth proportional to 2,772,421.60, 4,156,558.80 and 1,511,672.80 is: 2,266,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,421.60 : 4,156,558.80 = 1,511,672.80 : x
  2. Step 2: Convert to fraction form
    2,772,421.60/4,156,558.80 = 1,511,672.80/x
  3. Step 3: Cross multiply
    2,772,421.60x = 4,156,558.80 × 1,511,672.80
  4. Step 4: Simplify right side
    2,772,421.60x = 6,283,356,879,560.64
  5. Step 5: Solve for x
    x = 6,283,356,879,560.64/2,772,421.60
  6. Step 6: Final answer
    x = 2,266,378.56

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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.