Home / 4,711,987.32-6,502,370.28-2,879,512.80

Finding the Fourth Proportional to 4,711,987.32, 6,502,370.28 and 2,879,512.80

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Solution

The fourth proportional to 4,711,987.32, 6,502,370.28 and 2,879,512.80 is: 3,973,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711,987.32 : 6,502,370.28 = 2,879,512.80 : x
  2. Step 2: Convert to fraction form
    4,711,987.32/6,502,370.28 = 2,879,512.80/x
  3. Step 3: Cross multiply
    4,711,987.32x = 6,502,370.28 × 2,879,512.80
  4. Step 4: Simplify right side
    4,711,987.32x = 18,723,658,451,599.58
  5. Step 5: Solve for x
    x = 18,723,658,451,599.58/4,711,987.32
  6. Step 6: Final answer
    x = 3,973,622.42

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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.