Home / 5,770,405.40-8,656,385.70-1,985,048.60

Finding the Fourth Proportional to 5,770,405.40, 8,656,385.70 and 1,985,048.60

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Solution

The fourth proportional to 5,770,405.40, 8,656,385.70 and 1,985,048.60 is: 2,977,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770,405.40 : 8,656,385.70 = 1,985,048.60 : x
  2. Step 2: Convert to fraction form
    5,770,405.40/8,656,385.70 = 1,985,048.60/x
  3. Step 3: Cross multiply
    5,770,405.40x = 8,656,385.70 × 1,985,048.60
  4. Step 4: Simplify right side
    5,770,405.40x = 17,183,346,314,845.02
  5. Step 5: Solve for x
    x = 17,183,346,314,845.02/5,770,405.40
  6. Step 6: Final answer
    x = 2,977,840.40

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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.