Home / 3,113,109.10-4,668,108.45-1,428,309.10

Finding the Fourth Proportional to 3,113,109.10, 4,668,108.45 and 1,428,309.10

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Solution

The fourth proportional to 3,113,109.10, 4,668,108.45 and 1,428,309.10 is: 2,141,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,109.10 : 4,668,108.45 = 1,428,309.10 : x
  2. Step 2: Convert to fraction form
    3,113,109.10/4,668,108.45 = 1,428,309.10/x
  3. Step 3: Cross multiply
    3,113,109.10x = 4,668,108.45 × 1,428,309.10
  4. Step 4: Simplify right side
    3,113,109.10x = 6,667,501,778,921.90
  5. Step 5: Solve for x
    x = 6,667,501,778,921.90/3,113,109.10
  6. Step 6: Final answer
    x = 2,141,750.12

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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.