Home / 4,991,486.40-7,487,229.60-1,625,693.40

Finding the Fourth Proportional to 4,991,486.40, 7,487,229.60 and 1,625,693.40

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Solution

The fourth proportional to 4,991,486.40, 7,487,229.60 and 1,625,693.40 is: 2,438,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,486.40 : 7,487,229.60 = 1,625,693.40 : x
  2. Step 2: Convert to fraction form
    4,991,486.40/7,487,229.60 = 1,625,693.40/x
  3. Step 3: Cross multiply
    4,991,486.40x = 7,487,229.60 × 1,625,693.40
  4. Step 4: Simplify right side
    4,991,486.40x = 12,171,939,745,004.64
  5. Step 5: Solve for x
    x = 12,171,939,745,004.64/4,991,486.40
  6. Step 6: Final answer
    x = 2,438,540.10

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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.