Home / 6,980,031.20-10,470,280.08-1,930,918.88

Finding the Fourth Proportional to 6,980,031.20, 10,470,280.08 and 1,930,918.88

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Solution

The fourth proportional to 6,980,031.20, 10,470,280.08 and 1,930,918.88 is: 2,896,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,031.20 : 10,470,280.08 = 1,930,918.88 : x
  2. Step 2: Convert to fraction form
    6,980,031.20/10,470,280.08 = 1,930,918.88/x
  3. Step 3: Cross multiply
    6,980,031.20x = 10,470,280.08 × 1,930,918.88
  4. Step 4: Simplify right side
    6,980,031.20x = 20,217,261,485,359.91
  5. Step 5: Solve for x
    x = 20,217,261,485,359.91/6,980,031.20
  6. Step 6: Final answer
    x = 2,896,442.85

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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.