Home / 2,760,307.20-4,140,460.80-867,045.60

Finding the Fourth Proportional to 2,760,307.20, 4,140,460.80 and 867,045.60

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Solution

The fourth proportional to 2,760,307.20, 4,140,460.80 and 867,045.60 is: 1,300,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,307.20 : 4,140,460.80 = 867,045.60 : x
  2. Step 2: Convert to fraction form
    2,760,307.20/4,140,460.80 = 867,045.60/x
  3. Step 3: Cross multiply
    2,760,307.20x = 4,140,460.80 × 867,045.60
  4. Step 4: Simplify right side
    2,760,307.20x = 3,589,968,318,612.48
  5. Step 5: Solve for x
    x = 3,589,968,318,612.48/2,760,307.20
  6. Step 6: Final answer
    x = 1,300,568.40

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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.