Home / 3,610,144.20-5,413,904.10-1,812,430.20

Finding the Fourth Proportional to 3,610,144.20, 5,413,904.10 and 1,812,430.20

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Solution

The fourth proportional to 3,610,144.20, 5,413,904.10 and 1,812,430.20 is: 2,717,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,144.20 : 5,413,904.10 = 1,812,430.20 : x
  2. Step 2: Convert to fraction form
    3,610,144.20/5,413,904.10 = 1,812,430.20/x
  3. Step 3: Cross multiply
    3,610,144.20x = 5,413,904.10 × 1,812,430.20
  4. Step 4: Simplify right side
    3,610,144.20x = 9,812,323,290,743.82
  5. Step 5: Solve for x
    x = 9,812,323,290,743.82/3,610,144.20
  6. Step 6: Final answer
    x = 2,717,986.53

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1.5x scale

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.