Home / 1,555,130.16-2,145,819.42-866,651.22

Finding the Fourth Proportional to 1,555,130.16, 2,145,819.42 and 866,651.22

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Solution

The fourth proportional to 1,555,130.16, 2,145,819.42 and 866,651.22 is: 1,195,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,130.16 : 2,145,819.42 = 866,651.22 : x
  2. Step 2: Convert to fraction form
    1,555,130.16/2,145,819.42 = 866,651.22/x
  3. Step 3: Cross multiply
    1,555,130.16x = 2,145,819.42 × 866,651.22
  4. Step 4: Simplify right side
    1,555,130.16x = 1,859,677,018,242.69
  5. Step 5: Solve for x
    x = 1,859,677,018,242.69/1,555,130.16
  6. Step 6: Final answer
    x = 1,195,833.68

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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.