Home / 2,781,460.52-3,837,977.06-1,620,097.91

Finding the Fourth Proportional to 2,781,460.52, 3,837,977.06 and 1,620,097.91

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Solution

The fourth proportional to 2,781,460.52, 3,837,977.06 and 1,620,097.91 is: 2,235,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,460.52 : 3,837,977.06 = 1,620,097.91 : x
  2. Step 2: Convert to fraction form
    2,781,460.52/3,837,977.06 = 1,620,097.91/x
  3. Step 3: Cross multiply
    2,781,460.52x = 3,837,977.06 × 1,620,097.91
  4. Step 4: Simplify right side
    2,781,460.52x = 6,217,898,586,243.57
  5. Step 5: Solve for x
    x = 6,217,898,586,243.57/2,781,460.52
  6. Step 6: Final answer
    x = 2,235,479.72

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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.