Home / 2,814,821.21-3,884,460.15-1,525,660.31

Finding the Fourth Proportional to 2,814,821.21, 3,884,460.15 and 1,525,660.31

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Solution

The fourth proportional to 2,814,821.21, 3,884,460.15 and 1,525,660.31 is: 2,105,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,821.21 : 3,884,460.15 = 1,525,660.31 : x
  2. Step 2: Convert to fraction form
    2,814,821.21/3,884,460.15 = 1,525,660.31/x
  3. Step 3: Cross multiply
    2,814,821.21x = 3,884,460.15 × 1,525,660.31
  4. Step 4: Simplify right side
    2,814,821.21x = 5,926,366,676,631.65
  5. Step 5: Solve for x
    x = 5,926,366,676,631.65/2,814,821.21
  6. Step 6: Final answer
    x = 2,105,414.96

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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.