Home / 2,779,356.80-4,170,417.60-1,096,515.20

Finding the Fourth Proportional to 2,779,356.80, 4,170,417.60 and 1,096,515.20

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Solution

The fourth proportional to 2,779,356.80, 4,170,417.60 and 1,096,515.20 is: 1,645,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,356.80 : 4,170,417.60 = 1,096,515.20 : x
  2. Step 2: Convert to fraction form
    2,779,356.80/4,170,417.60 = 1,096,515.20/x
  3. Step 3: Cross multiply
    2,779,356.80x = 4,170,417.60 × 1,096,515.20
  4. Step 4: Simplify right side
    2,779,356.80x = 4,572,926,288,747.52
  5. Step 5: Solve for x
    x = 4,572,926,288,747.52/2,779,356.80
  6. Step 6: Final answer
    x = 1,645,318.19

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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.