Home / 3,989,768.80-5,985,430.80-1,593,205.60

Finding the Fourth Proportional to 3,989,768.80, 5,985,430.80 and 1,593,205.60

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Solution

The fourth proportional to 3,989,768.80, 5,985,430.80 and 1,593,205.60 is: 2,390,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,768.80 : 5,985,430.80 = 1,593,205.60 : x
  2. Step 2: Convert to fraction form
    3,989,768.80/5,985,430.80 = 1,593,205.60/x
  3. Step 3: Cross multiply
    3,989,768.80x = 5,985,430.80 × 1,593,205.60
  4. Step 4: Simplify right side
    3,989,768.80x = 9,536,021,868,972.48
  5. Step 5: Solve for x
    x = 9,536,021,868,972.48/3,989,768.80
  6. Step 6: Final answer
    x = 2,390,118.91

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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.