Home / 2,079,563.40-3,119,345.10-1,796,128.20

Finding the Fourth Proportional to 2,079,563.40, 3,119,345.10 and 1,796,128.20

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Solution

The fourth proportional to 2,079,563.40, 3,119,345.10 and 1,796,128.20 is: 2,694,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,563.40 : 3,119,345.10 = 1,796,128.20 : x
  2. Step 2: Convert to fraction form
    2,079,563.40/3,119,345.10 = 1,796,128.20/x
  3. Step 3: Cross multiply
    2,079,563.40x = 3,119,345.10 × 1,796,128.20
  4. Step 4: Simplify right side
    2,079,563.40x = 5,602,743,699,641.82
  5. Step 5: Solve for x
    x = 5,602,743,699,641.82/2,079,563.40
  6. Step 6: Final answer
    x = 2,694,192.30

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Similar ratio
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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.