Home / 5,270,492.20-7,906,904.70-2,429,919.40

Finding the Fourth Proportional to 5,270,492.20, 7,906,904.70 and 2,429,919.40

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Solution

The fourth proportional to 5,270,492.20, 7,906,904.70 and 2,429,919.40 is: 3,645,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,492.20 : 7,906,904.70 = 2,429,919.40 : x
  2. Step 2: Convert to fraction form
    5,270,492.20/7,906,904.70 = 2,429,919.40/x
  3. Step 3: Cross multiply
    5,270,492.20x = 7,906,904.70 × 2,429,919.40
  4. Step 4: Simplify right side
    5,270,492.20x = 19,213,141,124,481.18
  5. Step 5: Solve for x
    x = 19,213,141,124,481.18/5,270,492.20
  6. Step 6: Final answer
    x = 3,645,416.86

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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.