Home / 6,391,310.28-8,819,994.09-3,490,701.27

Finding the Fourth Proportional to 6,391,310.28, 8,819,994.09 and 3,490,701.27

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Solution

The fourth proportional to 6,391,310.28, 8,819,994.09 and 3,490,701.27 is: 4,817,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,310.28 : 8,819,994.09 = 3,490,701.27 : x
  2. Step 2: Convert to fraction form
    6,391,310.28/8,819,994.09 = 3,490,701.27/x
  3. Step 3: Cross multiply
    6,391,310.28x = 8,819,994.09 × 3,490,701.27
  4. Step 4: Simplify right side
    6,391,310.28x = 30,787,964,571,355.49
  5. Step 5: Solve for x
    x = 30,787,964,571,355.49/6,391,310.28
  6. Step 6: Final answer
    x = 4,817,160.05

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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.