Home / 1,528,102.20-2,292,153.30-1,397,465.40

Finding the Fourth Proportional to 1,528,102.20, 2,292,153.30 and 1,397,465.40

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Solution

The fourth proportional to 1,528,102.20, 2,292,153.30 and 1,397,465.40 is: 2,096,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,102.20 : 2,292,153.30 = 1,397,465.40 : x
  2. Step 2: Convert to fraction form
    1,528,102.20/2,292,153.30 = 1,397,465.40/x
  3. Step 3: Cross multiply
    1,528,102.20x = 2,292,153.30 × 1,397,465.40
  4. Step 4: Simplify right side
    1,528,102.20x = 3,203,204,928,245.82
  5. Step 5: Solve for x
    x = 3,203,204,928,245.82/1,528,102.20
  6. Step 6: Final answer
    x = 2,096,198.10

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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.