Home / 2,125,335.84-3,186,116.22-828,187.89

Finding the Fourth Proportional to 2,125,335.84, 3,186,116.22 and 828,187.89

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Solution

The fourth proportional to 2,125,335.84, 3,186,116.22 and 828,187.89 is: 1,241,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,335.84 : 3,186,116.22 = 828,187.89 : x
  2. Step 2: Convert to fraction form
    2,125,335.84/3,186,116.22 = 828,187.89/x
  3. Step 3: Cross multiply
    2,125,335.84x = 3,186,116.22 × 828,187.89
  4. Step 4: Simplify right side
    2,125,335.84x = 2,638,702,869,536.58
  5. Step 5: Solve for x
    x = 2,638,702,869,536.58/2,125,335.84
  6. Step 6: Final answer
    x = 1,241,546.31

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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.