Home / 1,881,920.40-2,822,988.78-533,977.56

Finding the Fourth Proportional to 1,881,920.40, 2,822,988.78 and 533,977.56

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Solution

The fourth proportional to 1,881,920.40, 2,822,988.78 and 533,977.56 is: 800,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,920.40 : 2,822,988.78 = 533,977.56 : x
  2. Step 2: Convert to fraction form
    1,881,920.40/2,822,988.78 = 533,977.56/x
  3. Step 3: Cross multiply
    1,881,920.40x = 2,822,988.78 × 533,977.56
  4. Step 4: Simplify right side
    1,881,920.40x = 1,507,412,660,651.78
  5. Step 5: Solve for x
    x = 1,507,412,660,651.78/1,881,920.40
  6. Step 6: Final answer
    x = 800,997.04

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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.