Home / 3,171,600.69-4,376,841.66-1,721,308.65

Finding the Fourth Proportional to 3,171,600.69, 4,376,841.66 and 1,721,308.65

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Solution

The fourth proportional to 3,171,600.69, 4,376,841.66 and 1,721,308.65 is: 2,375,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,600.69 : 4,376,841.66 = 1,721,308.65 : x
  2. Step 2: Convert to fraction form
    3,171,600.69/4,376,841.66 = 1,721,308.65/x
  3. Step 3: Cross multiply
    3,171,600.69x = 4,376,841.66 × 1,721,308.65
  4. Step 4: Simplify right side
    3,171,600.69x = 7,533,895,409,038.36
  5. Step 5: Solve for x
    x = 7,533,895,409,038.36/3,171,600.69
  6. Step 6: Final answer
    x = 2,375,423.69

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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.