Home / 5,278,731.71-7,282,956.75-2,955,282.72

Finding the Fourth Proportional to 5,278,731.71, 7,282,956.75 and 2,955,282.72

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Solution

The fourth proportional to 5,278,731.71, 7,282,956.75 and 2,955,282.72 is: 4,077,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,731.71 : 7,282,956.75 = 2,955,282.72 : x
  2. Step 2: Convert to fraction form
    5,278,731.71/7,282,956.75 = 2,955,282.72/x
  3. Step 3: Cross multiply
    5,278,731.71x = 7,282,956.75 × 2,955,282.72
  4. Step 4: Simplify right side
    5,278,731.71x = 21,523,196,233,782.36
  5. Step 5: Solve for x
    x = 21,523,196,233,782.36/5,278,731.71
  6. Step 6: Final answer
    x = 4,077,342.33

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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.