Home / 3,201,320-4,801,988.20-1,308,061.43

Finding the Fourth Proportional to 3,201,320, 4,801,988.20 and 1,308,061.43

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Solution

The fourth proportional to 3,201,320, 4,801,988.20 and 1,308,061.43 is: 1,962,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201,320 : 4,801,988.20 = 1,308,061.43 : x
  2. Step 2: Convert to fraction form
    3,201,320/4,801,988.20 = 1,308,061.43/x
  3. Step 3: Cross multiply
    3,201,320x = 4,801,988.20 × 1,308,061.43
  4. Step 4: Simplify right side
    3,201,320x = 6,281,295,551,735.13
  5. Step 5: Solve for x
    x = 6,281,295,551,735.13/3,201,320
  6. Step 6: Final answer
    x = 1,962,095.50

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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.