Home / 4,994,971.20-7,492,456.80-2,719,616.40

Finding the Fourth Proportional to 4,994,971.20, 7,492,456.80 and 2,719,616.40

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Solution

The fourth proportional to 4,994,971.20, 7,492,456.80 and 2,719,616.40 is: 4,079,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994,971.20 : 7,492,456.80 = 2,719,616.40 : x
  2. Step 2: Convert to fraction form
    4,994,971.20/7,492,456.80 = 2,719,616.40/x
  3. Step 3: Cross multiply
    4,994,971.20x = 7,492,456.80 × 2,719,616.40
  4. Step 4: Simplify right side
    4,994,971.20x = 20,376,608,389,571.52
  5. Step 5: Solve for x
    x = 20,376,608,389,571.52/4,994,971.20
  6. Step 6: Final answer
    x = 4,079,424.60

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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.