Home / 2,778,282.72-4,167,511.56-956,628.36

Finding the Fourth Proportional to 2,778,282.72, 4,167,511.56 and 956,628.36

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Solution

The fourth proportional to 2,778,282.72, 4,167,511.56 and 956,628.36 is: 1,434,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,282.72 : 4,167,511.56 = 956,628.36 : x
  2. Step 2: Convert to fraction form
    2,778,282.72/4,167,511.56 = 956,628.36/x
  3. Step 3: Cross multiply
    2,778,282.72x = 4,167,511.56 × 956,628.36
  4. Step 4: Simplify right side
    2,778,282.72x = 3,986,759,748,923.84
  5. Step 5: Solve for x
    x = 3,986,759,748,923.84/2,778,282.72
  6. Step 6: Final answer
    x = 1,434,972.66

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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.