Home / 2,227,944.72-3,074,567.40-1,209,349.20

Finding the Fourth Proportional to 2,227,944.72, 3,074,567.40 and 1,209,349.20

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Solution

The fourth proportional to 2,227,944.72, 3,074,567.40 and 1,209,349.20 is: 1,668,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,944.72 : 3,074,567.40 = 1,209,349.20 : x
  2. Step 2: Convert to fraction form
    2,227,944.72/3,074,567.40 = 1,209,349.20/x
  3. Step 3: Cross multiply
    2,227,944.72x = 3,074,567.40 × 1,209,349.20
  4. Step 4: Simplify right side
    2,227,944.72x = 3,718,225,625,536.08
  5. Step 5: Solve for x
    x = 3,718,225,625,536.08/2,227,944.72
  6. Step 6: Final answer
    x = 1,668,903.90

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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.