Home / 2,712,887.60-4,069,979.40-819,647.60

Finding the Fourth Proportional to 2,712,887.60, 4,069,979.40 and 819,647.60

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Solution

The fourth proportional to 2,712,887.60, 4,069,979.40 and 819,647.60 is: 1,229,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,887.60 : 4,069,979.40 = 819,647.60 : x
  2. Step 2: Convert to fraction form
    2,712,887.60/4,069,979.40 = 819,647.60/x
  3. Step 3: Cross multiply
    2,712,887.60x = 4,069,979.40 × 819,647.60
  4. Step 4: Simplify right side
    2,712,887.60x = 3,335,948,847,259.44
  5. Step 5: Solve for x
    x = 3,335,948,847,259.44/2,712,887.60
  6. Step 6: Final answer
    x = 1,229,667.18

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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.