Home / 2,120,024.40-2,925,367.56-1,433,190.30

Finding the Fourth Proportional to 2,120,024.40, 2,925,367.56 and 1,433,190.30

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Solution

The fourth proportional to 2,120,024.40, 2,925,367.56 and 1,433,190.30 is: 1,977,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,024.40 : 2,925,367.56 = 1,433,190.30 : x
  2. Step 2: Convert to fraction form
    2,120,024.40/2,925,367.56 = 1,433,190.30/x
  3. Step 3: Cross multiply
    2,120,024.40x = 2,925,367.56 × 1,433,190.30
  4. Step 4: Simplify right side
    2,120,024.40x = 4,192,608,410,926.67
  5. Step 5: Solve for x
    x = 4,192,608,410,926.67/2,120,024.40
  6. Step 6: Final answer
    x = 1,977,622.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.