Home / 1,811,040.71-2,499,134.81-1,085,525.33

Finding the Fourth Proportional to 1,811,040.71, 2,499,134.81 and 1,085,525.33

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Solution

The fourth proportional to 1,811,040.71, 2,499,134.81 and 1,085,525.33 is: 1,497,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,040.71 : 2,499,134.81 = 1,085,525.33 : x
  2. Step 2: Convert to fraction form
    1,811,040.71/2,499,134.81 = 1,085,525.33/x
  3. Step 3: Cross multiply
    1,811,040.71x = 2,499,134.81 × 1,085,525.33
  4. Step 4: Simplify right side
    1,811,040.71x = 2,712,874,121,416.44
  5. Step 5: Solve for x
    x = 2,712,874,121,416.44/1,811,040.71
  6. Step 6: Final answer
    x = 1,497,964.19

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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.