Home / 2,878,446-3,972,605.40-1,671,222

Finding the Fourth Proportional to 2,878,446, 3,972,605.40 and 1,671,222

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Solution

The fourth proportional to 2,878,446, 3,972,605.40 and 1,671,222 is: 2,306,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,446 : 3,972,605.40 = 1,671,222 : x
  2. Step 2: Convert to fraction form
    2,878,446/3,972,605.40 = 1,671,222/x
  3. Step 3: Cross multiply
    2,878,446x = 3,972,605.40 × 1,671,222
  4. Step 4: Simplify right side
    2,878,446x = 6,639,105,541,798.80
  5. Step 5: Solve for x
    x = 6,639,105,541,798.80/2,878,446
  6. Step 6: Final answer
    x = 2,306,489.52

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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.