Home / 1,881,682.70-2,822,409.63-667,319.36

Finding the Fourth Proportional to 1,881,682.70, 2,822,409.63 and 667,319.36

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Solution

The fourth proportional to 1,881,682.70, 2,822,409.63 and 667,319.36 is: 1,000,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,682.70 : 2,822,409.63 = 667,319.36 : x
  2. Step 2: Convert to fraction form
    1,881,682.70/2,822,409.63 = 667,319.36/x
  3. Step 3: Cross multiply
    1,881,682.70x = 2,822,409.63 × 667,319.36
  4. Step 4: Simplify right side
    1,881,682.70x = 1,883,448,573,837.39
  5. Step 5: Solve for x
    x = 1,883,448,573,837.39/1,881,682.70
  6. Step 6: Final answer
    x = 1,000,938.46

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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.