Home / 5,416,998.80-8,126,701.05-1,822,664.30

Finding the Fourth Proportional to 5,416,998.80, 8,126,701.05 and 1,822,664.30

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Solution

The fourth proportional to 5,416,998.80, 8,126,701.05 and 1,822,664.30 is: 2,734,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416,998.80 : 8,126,701.05 = 1,822,664.30 : x
  2. Step 2: Convert to fraction form
    5,416,998.80/8,126,701.05 = 1,822,664.30/x
  3. Step 3: Cross multiply
    5,416,998.80x = 8,126,701.05 × 1,822,664.30
  4. Step 4: Simplify right side
    5,416,998.80x = 14,812,247,880,607.52
  5. Step 5: Solve for x
    x = 14,812,247,880,607.52/5,416,998.80
  6. Step 6: Final answer
    x = 2,734,401.17

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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.