Home / 6,819,244.80-10,228,867.20-3,977,894.40

Finding the Fourth Proportional to 6,819,244.80, 10,228,867.20 and 3,977,894.40

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Solution

The fourth proportional to 6,819,244.80, 10,228,867.20 and 3,977,894.40 is: 5,966,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819,244.80 : 10,228,867.20 = 3,977,894.40 : x
  2. Step 2: Convert to fraction form
    6,819,244.80/10,228,867.20 = 3,977,894.40/x
  3. Step 3: Cross multiply
    6,819,244.80x = 10,228,867.20 × 3,977,894.40
  4. Step 4: Simplify right side
    6,819,244.80x = 40,689,353,553,223.68
  5. Step 5: Solve for x
    x = 40,689,353,553,223.68/6,819,244.80
  6. Step 6: Final answer
    x = 5,966,841.60

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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.