Home / 5,770,378.40-8,656,345.20-1,985,021.60

Finding the Fourth Proportional to 5,770,378.40, 8,656,345.20 and 1,985,021.60

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Solution

The fourth proportional to 5,770,378.40, 8,656,345.20 and 1,985,021.60 is: 2,977,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770,378.40 : 8,656,345.20 = 1,985,021.60 : x
  2. Step 2: Convert to fraction form
    5,770,378.40/8,656,345.20 = 1,985,021.60/x
  3. Step 3: Cross multiply
    5,770,378.40x = 8,656,345.20 × 1,985,021.60
  4. Step 4: Simplify right side
    5,770,378.40x = 17,183,032,199,056.32
  5. Step 5: Solve for x
    x = 17,183,032,199,056.32/5,770,378.40
  6. Step 6: Final answer
    x = 2,977,799.90

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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.