Home / 3,102,912.60-4,654,368.90-828,432.60

Finding the Fourth Proportional to 3,102,912.60, 4,654,368.90 and 828,432.60

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Solution

The fourth proportional to 3,102,912.60, 4,654,368.90 and 828,432.60 is: 1,242,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,912.60 : 4,654,368.90 = 828,432.60 : x
  2. Step 2: Convert to fraction form
    3,102,912.60/4,654,368.90 = 828,432.60/x
  3. Step 3: Cross multiply
    3,102,912.60x = 4,654,368.90 × 828,432.60
  4. Step 4: Simplify right side
    3,102,912.60x = 3,855,830,929,186.14
  5. Step 5: Solve for x
    x = 3,855,830,929,186.14/3,102,912.60
  6. Step 6: Final answer
    x = 1,242,648.90

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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.