Home / 2,687,568.30-4,031,352.45-1,679,798.70

Finding the Fourth Proportional to 2,687,568.30, 4,031,352.45 and 1,679,798.70

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Solution

The fourth proportional to 2,687,568.30, 4,031,352.45 and 1,679,798.70 is: 2,519,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,568.30 : 4,031,352.45 = 1,679,798.70 : x
  2. Step 2: Convert to fraction form
    2,687,568.30/4,031,352.45 = 1,679,798.70/x
  3. Step 3: Cross multiply
    2,687,568.30x = 4,031,352.45 × 1,679,798.70
  4. Step 4: Simplify right side
    2,687,568.30x = 6,771,860,604,751.82
  5. Step 5: Solve for x
    x = 6,771,860,604,751.82/2,687,568.30
  6. Step 6: Final answer
    x = 2,519,698.05

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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.