Home / 1,678,061.19-2,315,739.68-1,015,788.27

Finding the Fourth Proportional to 1,678,061.19, 2,315,739.68 and 1,015,788.27

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Solution

The fourth proportional to 1,678,061.19, 2,315,739.68 and 1,015,788.27 is: 1,401,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,061.19 : 2,315,739.68 = 1,015,788.27 : x
  2. Step 2: Convert to fraction form
    1,678,061.19/2,315,739.68 = 1,015,788.27/x
  3. Step 3: Cross multiply
    1,678,061.19x = 2,315,739.68 × 1,015,788.27
  4. Step 4: Simplify right side
    1,678,061.19x = 2,352,301,210,731.84
  5. Step 5: Solve for x
    x = 2,352,301,210,731.84/1,678,061.19
  6. Step 6: Final answer
    x = 1,401,797.04

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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.