Home / 1,811,564.47-2,500,089.60-1,086,399.01

Finding the Fourth Proportional to 1,811,564.47, 2,500,089.60 and 1,086,399.01

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Solution

The fourth proportional to 1,811,564.47, 2,500,089.60 and 1,086,399.01 is: 1,499,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,564.47 : 2,500,089.60 = 1,086,399.01 : x
  2. Step 2: Convert to fraction form
    1,811,564.47/2,500,089.60 = 1,086,399.01/x
  3. Step 3: Cross multiply
    1,811,564.47x = 2,500,089.60 × 1,086,399.01
  4. Step 4: Simplify right side
    1,811,564.47x = 2,716,094,866,351.30
  5. Step 5: Solve for x
    x = 2,716,094,866,351.30/1,811,564.47
  6. Step 6: Final answer
    x = 1,499,308.97

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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.