Home / 2,977,471.80-4,108,792.50-1,619,345.88

Finding the Fourth Proportional to 2,977,471.80, 4,108,792.50 and 1,619,345.88

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Solution

The fourth proportional to 2,977,471.80, 4,108,792.50 and 1,619,345.88 is: 2,234,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,471.80 : 4,108,792.50 = 1,619,345.88 : x
  2. Step 2: Convert to fraction form
    2,977,471.80/4,108,792.50 = 1,619,345.88/x
  3. Step 3: Cross multiply
    2,977,471.80x = 4,108,792.50 × 1,619,345.88
  4. Step 4: Simplify right side
    2,977,471.80x = 6,653,556,206,649.90
  5. Step 5: Solve for x
    x = 6,653,556,206,649.90/2,977,471.80
  6. Step 6: Final answer
    x = 2,234,632.82

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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.