Home / 3,862,112.87-5,329,897.58-2,143,247.51

Finding the Fourth Proportional to 3,862,112.87, 5,329,897.58 and 2,143,247.51

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Solution

The fourth proportional to 3,862,112.87, 5,329,897.58 and 2,143,247.51 is: 2,957,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,112.87 : 5,329,897.58 = 2,143,247.51 : x
  2. Step 2: Convert to fraction form
    3,862,112.87/5,329,897.58 = 2,143,247.51/x
  3. Step 3: Cross multiply
    3,862,112.87x = 5,329,897.58 × 2,143,247.51
  4. Step 4: Simplify right side
    3,862,112.87x = 11,423,289,695,598.65
  5. Step 5: Solve for x
    x = 11,423,289,695,598.65/3,862,112.87
  6. Step 6: Final answer
    x = 2,957,782.46

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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.