Home / 2,780,057.58-4,170,980.61-1,264,281.90

Finding the Fourth Proportional to 2,780,057.58, 4,170,980.61 and 1,264,281.90

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Solution

The fourth proportional to 2,780,057.58, 4,170,980.61 and 1,264,281.90 is: 1,896,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,057.58 : 4,170,980.61 = 1,264,281.90 : x
  2. Step 2: Convert to fraction form
    2,780,057.58/4,170,980.61 = 1,264,281.90/x
  3. Step 3: Cross multiply
    2,780,057.58x = 4,170,980.61 × 1,264,281.90
  4. Step 4: Simplify right side
    2,780,057.58x = 5,273,295,290,473.96
  5. Step 5: Solve for x
    x = 5,273,295,290,473.96/2,780,057.58
  6. Step 6: Final answer
    x = 1,896,829.52

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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.