Home / 2,878,606-3,972,826.20-1,671,382

Finding the Fourth Proportional to 2,878,606, 3,972,826.20 and 1,671,382

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Solution

The fourth proportional to 2,878,606, 3,972,826.20 and 1,671,382 is: 2,306,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,606 : 3,972,826.20 = 1,671,382 : x
  2. Step 2: Convert to fraction form
    2,878,606/3,972,826.20 = 1,671,382/x
  3. Step 3: Cross multiply
    2,878,606x = 3,972,826.20 × 1,671,382
  4. Step 4: Simplify right side
    2,878,606x = 6,640,110,199,808.40
  5. Step 5: Solve for x
    x = 6,640,110,199,808.40/2,878,606
  6. Step 6: Final answer
    x = 2,306,710.33

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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.