Home / 2,750,438.68-4,126,502.58-1,312,956.40

Finding the Fourth Proportional to 2,750,438.68, 4,126,502.58 and 1,312,956.40

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Solution

The fourth proportional to 2,750,438.68, 4,126,502.58 and 1,312,956.40 is: 1,969,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,438.68 : 4,126,502.58 = 1,312,956.40 : x
  2. Step 2: Convert to fraction form
    2,750,438.68/4,126,502.58 = 1,312,956.40/x
  3. Step 3: Cross multiply
    2,750,438.68x = 4,126,502.58 × 1,312,956.40
  4. Step 4: Simplify right side
    2,750,438.68x = 5,417,917,972,027.51
  5. Step 5: Solve for x
    x = 5,417,917,972,027.51/2,750,438.68
  6. Step 6: Final answer
    x = 1,969,837.76

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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.