Home / 2,003,750.40-2,999,720.70-1,330,591.80

Finding the Fourth Proportional to 2,003,750.40, 2,999,720.70 and 1,330,591.80

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Solution

The fourth proportional to 2,003,750.40, 2,999,720.70 and 1,330,591.80 is: 1,991,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003,750.40 : 2,999,720.70 = 1,330,591.80 : x
  2. Step 2: Convert to fraction form
    2,003,750.40/2,999,720.70 = 1,330,591.80/x
  3. Step 3: Cross multiply
    2,003,750.40x = 2,999,720.70 × 1,330,591.80
  4. Step 4: Simplify right side
    2,003,750.40x = 3,991,403,765,710.26
  5. Step 5: Solve for x
    x = 3,991,403,765,710.26/2,003,750.40
  6. Step 6: Final answer
    x = 1,991,966.55

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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.