Home / 6,287,789.80-9,431,684.70-4,374,602.20

Finding the Fourth Proportional to 6,287,789.80, 9,431,684.70 and 4,374,602.20

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Solution

The fourth proportional to 6,287,789.80, 9,431,684.70 and 4,374,602.20 is: 6,561,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287,789.80 : 9,431,684.70 = 4,374,602.20 : x
  2. Step 2: Convert to fraction form
    6,287,789.80/9,431,684.70 = 4,374,602.20/x
  3. Step 3: Cross multiply
    6,287,789.80x = 9,431,684.70 × 4,374,602.20
  4. Step 4: Simplify right side
    6,287,789.80x = 41,259,868,638,326.34
  5. Step 5: Solve for x
    x = 41,259,868,638,326.34/6,287,789.80
  6. Step 6: Final answer
    x = 6,561,903.30

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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.