Home / 2,140,605.18-3,204,609.21-1,428,867.90

Finding the Fourth Proportional to 2,140,605.18, 3,204,609.21 and 1,428,867.90

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Solution

The fourth proportional to 2,140,605.18, 3,204,609.21 and 1,428,867.90 is: 2,139,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,605.18 : 3,204,609.21 = 1,428,867.90 : x
  2. Step 2: Convert to fraction form
    2,140,605.18/3,204,609.21 = 1,428,867.90/x
  3. Step 3: Cross multiply
    2,140,605.18x = 3,204,609.21 × 1,428,867.90
  4. Step 4: Simplify right side
    2,140,605.18x = 4,578,963,232,213.36
  5. Step 5: Solve for x
    x = 4,578,963,232,213.36/2,140,605.18
  6. Step 6: Final answer
    x = 2,139,097.52

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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.