Home / 2,548,539.90-3,822,809.85-865,643.40

Finding the Fourth Proportional to 2,548,539.90, 3,822,809.85 and 865,643.40

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Solution

The fourth proportional to 2,548,539.90, 3,822,809.85 and 865,643.40 is: 1,298,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548,539.90 : 3,822,809.85 = 865,643.40 : x
  2. Step 2: Convert to fraction form
    2,548,539.90/3,822,809.85 = 865,643.40/x
  3. Step 3: Cross multiply
    2,548,539.90x = 3,822,809.85 × 865,643.40
  4. Step 4: Simplify right side
    2,548,539.90x = 3,309,190,116,107.49
  5. Step 5: Solve for x
    x = 3,309,190,116,107.49/2,548,539.90
  6. Step 6: Final answer
    x = 1,298,465.10

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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.