Home / 2,511,377.40-3,767,066.10-828,262.20

Finding the Fourth Proportional to 2,511,377.40, 3,767,066.10 and 828,262.20

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Solution

The fourth proportional to 2,511,377.40, 3,767,066.10 and 828,262.20 is: 1,242,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,377.40 : 3,767,066.10 = 828,262.20 : x
  2. Step 2: Convert to fraction form
    2,511,377.40/3,767,066.10 = 828,262.20/x
  3. Step 3: Cross multiply
    2,511,377.40x = 3,767,066.10 × 828,262.20
  4. Step 4: Simplify right side
    2,511,377.40x = 3,120,118,455,531.42
  5. Step 5: Solve for x
    x = 3,120,118,455,531.42/2,511,377.40
  6. Step 6: Final answer
    x = 1,242,393.30

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Similar ratio
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1.5x scale

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.