Home / 2,779,328.80-4,170,375.60-1,096,487.20

Finding the Fourth Proportional to 2,779,328.80, 4,170,375.60 and 1,096,487.20

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Solution

The fourth proportional to 2,779,328.80, 4,170,375.60 and 1,096,487.20 is: 1,645,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,328.80 : 4,170,375.60 = 1,096,487.20 : x
  2. Step 2: Convert to fraction form
    2,779,328.80/4,170,375.60 = 1,096,487.20/x
  3. Step 3: Cross multiply
    2,779,328.80x = 4,170,375.60 × 1,096,487.20
  4. Step 4: Simplify right side
    2,779,328.80x = 4,572,763,464,592.32
  5. Step 5: Solve for x
    x = 4,572,763,464,592.32/2,779,328.80
  6. Step 6: Final answer
    x = 1,645,276.18

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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.