Home / 5,429,308.80-8,138,779.20-2,016,681.60

Finding the Fourth Proportional to 5,429,308.80, 8,138,779.20 and 2,016,681.60

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Solution

The fourth proportional to 5,429,308.80, 8,138,779.20 and 2,016,681.60 is: 3,023,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,308.80 : 8,138,779.20 = 2,016,681.60 : x
  2. Step 2: Convert to fraction form
    5,429,308.80/8,138,779.20 = 2,016,681.60/x
  3. Step 3: Cross multiply
    5,429,308.80x = 8,138,779.20 × 2,016,681.60
  4. Step 4: Simplify right side
    5,429,308.80x = 16,413,326,259,102.72
  5. Step 5: Solve for x
    x = 16,413,326,259,102.72/5,429,308.80
  6. Step 6: Final answer
    x = 3,023,096.84

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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.