Home / 1,920,576-2,650,448.34-1,061,191.68

Finding the Fourth Proportional to 1,920,576, 2,650,448.34 and 1,061,191.68

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Solution

The fourth proportional to 1,920,576, 2,650,448.34 and 1,061,191.68 is: 1,464,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,576 : 2,650,448.34 = 1,061,191.68 : x
  2. Step 2: Convert to fraction form
    1,920,576/2,650,448.34 = 1,061,191.68/x
  3. Step 3: Cross multiply
    1,920,576x = 2,650,448.34 × 1,061,191.68
  4. Step 4: Simplify right side
    1,920,576x = 2,812,633,726,677.81
  5. Step 5: Solve for x
    x = 2,812,633,726,677.81/1,920,576
  6. Step 6: Final answer
    x = 1,464,474.06

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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.