Home / 2,156,159.88-2,976,479.46-1,536,365.16

Finding the Fourth Proportional to 2,156,159.88, 2,976,479.46 and 1,536,365.16

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Solution

The fourth proportional to 2,156,159.88, 2,976,479.46 and 1,536,365.16 is: 2,120,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,159.88 : 2,976,479.46 = 1,536,365.16 : x
  2. Step 2: Convert to fraction form
    2,156,159.88/2,976,479.46 = 1,536,365.16/x
  3. Step 3: Cross multiply
    2,156,159.88x = 2,976,479.46 × 1,536,365.16
  4. Step 4: Simplify right side
    2,156,159.88x = 4,572,959,341,799.61
  5. Step 5: Solve for x
    x = 4,572,959,341,799.61/2,156,159.88
  6. Step 6: Final answer
    x = 2,120,881.38

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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.