Home / 2,716,518.40-4,073,740.80-822,630.40

Finding the Fourth Proportional to 2,716,518.40, 4,073,740.80 and 822,630.40

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Solution

The fourth proportional to 2,716,518.40, 4,073,740.80 and 822,630.40 is: 1,233,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,518.40 : 4,073,740.80 = 822,630.40 : x
  2. Step 2: Convert to fraction form
    2,716,518.40/4,073,740.80 = 822,630.40/x
  3. Step 3: Cross multiply
    2,716,518.40x = 4,073,740.80 × 822,630.40
  4. Step 4: Simplify right side
    2,716,518.40x = 3,351,183,023,800.32
  5. Step 5: Solve for x
    x = 3,351,183,023,800.32/2,716,518.40
  6. Step 6: Final answer
    x = 1,233,631.63

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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.