Home / 1,861,186.23-2,567,782.89-1,216,983.51

Finding the Fourth Proportional to 1,861,186.23, 2,567,782.89 and 1,216,983.51

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Solution

The fourth proportional to 1,861,186.23, 2,567,782.89 and 1,216,983.51 is: 1,679,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,186.23 : 2,567,782.89 = 1,216,983.51 : x
  2. Step 2: Convert to fraction form
    1,861,186.23/2,567,782.89 = 1,216,983.51/x
  3. Step 3: Cross multiply
    1,861,186.23x = 2,567,782.89 × 1,216,983.51
  4. Step 4: Simplify right side
    1,861,186.23x = 3,124,949,434,390.14
  5. Step 5: Solve for x
    x = 3,124,949,434,390.14/1,861,186.23
  6. Step 6: Final answer
    x = 1,679,009.54

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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.