Home / 5,154,592.50-7,112,482.20-2,979,336.66

Finding the Fourth Proportional to 5,154,592.50, 7,112,482.20 and 2,979,336.66

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Solution

The fourth proportional to 5,154,592.50, 7,112,482.20 and 2,979,336.66 is: 4,110,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,592.50 : 7,112,482.20 = 2,979,336.66 : x
  2. Step 2: Convert to fraction form
    5,154,592.50/7,112,482.20 = 2,979,336.66/x
  3. Step 3: Cross multiply
    5,154,592.50x = 7,112,482.20 × 2,979,336.66
  4. Step 4: Simplify right side
    5,154,592.50x = 21,190,478,962,057.45
  5. Step 5: Solve for x
    x = 21,190,478,962,057.45/5,154,592.50
  6. Step 6: Final answer
    x = 4,110,990.14

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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.