Home / 2,084,517.60-3,127,813.20-822,386.40

Finding the Fourth Proportional to 2,084,517.60, 3,127,813.20 and 822,386.40

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Solution

The fourth proportional to 2,084,517.60, 3,127,813.20 and 822,386.40 is: 1,233,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,517.60 : 3,127,813.20 = 822,386.40 : x
  2. Step 2: Convert to fraction form
    2,084,517.60/3,127,813.20 = 822,386.40/x
  3. Step 3: Cross multiply
    2,084,517.60x = 3,127,813.20 × 822,386.40
  4. Step 4: Simplify right side
    2,084,517.60x = 2,572,271,037,420.48
  5. Step 5: Solve for x
    x = 2,572,271,037,420.48/2,084,517.60
  6. Step 6: Final answer
    x = 1,233,988.64

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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.