Home / 2,511,005.80-3,766,508.70-828,020.20

Finding the Fourth Proportional to 2,511,005.80, 3,766,508.70 and 828,020.20

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Solution

The fourth proportional to 2,511,005.80, 3,766,508.70 and 828,020.20 is: 1,242,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,005.80 : 3,766,508.70 = 828,020.20 : x
  2. Step 2: Convert to fraction form
    2,511,005.80/3,766,508.70 = 828,020.20/x
  3. Step 3: Cross multiply
    2,511,005.80x = 3,766,508.70 × 828,020.20
  4. Step 4: Simplify right side
    2,511,005.80x = 3,118,745,287,075.74
  5. Step 5: Solve for x
    x = 3,118,745,287,075.74/2,511,005.80
  6. Step 6: Final answer
    x = 1,242,030.30

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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.