Home / 2,976,859.60-4,108,019.40-1,618,720.72

Finding the Fourth Proportional to 2,976,859.60, 4,108,019.40 and 1,618,720.72

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Solution

The fourth proportional to 2,976,859.60, 4,108,019.40 and 1,618,720.72 is: 2,233,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,859.60 : 4,108,019.40 = 1,618,720.72 : x
  2. Step 2: Convert to fraction form
    2,976,859.60/4,108,019.40 = 1,618,720.72/x
  3. Step 3: Cross multiply
    2,976,859.60x = 4,108,019.40 × 1,618,720.72
  4. Step 4: Simplify right side
    2,976,859.60x = 6,649,736,120,941.97
  5. Step 5: Solve for x
    x = 6,649,736,120,941.97/2,976,859.60
  6. Step 6: Final answer
    x = 2,233,809.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.