Home / 4,760,851.47-7,140,347.60-1,521,520.20

Finding the Fourth Proportional to 4,760,851.47, 7,140,347.60 and 1,521,520.20

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Solution

The fourth proportional to 4,760,851.47, 7,140,347.60 and 1,521,520.20 is: 2,281,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760,851.47 : 7,140,347.60 = 1,521,520.20 : x
  2. Step 2: Convert to fraction form
    4,760,851.47/7,140,347.60 = 1,521,520.20/x
  3. Step 3: Cross multiply
    4,760,851.47x = 7,140,347.60 × 1,521,520.20
  4. Step 4: Simplify right side
    4,760,851.47x = 10,864,183,100,813.92
  5. Step 5: Solve for x
    x = 10,864,183,100,813.92/4,760,851.47
  6. Step 6: Final answer
    x = 2,281,983.21

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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.