Home / 2,139,312.65-2,951,323.61-1,415,170.95

Finding the Fourth Proportional to 2,139,312.65, 2,951,323.61 and 1,415,170.95

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Solution

The fourth proportional to 2,139,312.65, 2,951,323.61 and 1,415,170.95 is: 1,952,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,312.65 : 2,951,323.61 = 1,415,170.95 : x
  2. Step 2: Convert to fraction form
    2,139,312.65/2,951,323.61 = 1,415,170.95/x
  3. Step 3: Cross multiply
    2,139,312.65x = 2,951,323.61 × 1,415,170.95
  4. Step 4: Simplify right side
    2,139,312.65x = 4,176,627,429,845.27
  5. Step 5: Solve for x
    x = 4,176,627,429,845.27/2,139,312.65
  6. Step 6: Final answer
    x = 1,952,322.13

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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.