Home / 1,772,989.22-2,652,776.31-1,087,428.26

Finding the Fourth Proportional to 1,772,989.22, 2,652,776.31 and 1,087,428.26

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Solution

The fourth proportional to 1,772,989.22, 2,652,776.31 and 1,087,428.26 is: 1,627,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,989.22 : 2,652,776.31 = 1,087,428.26 : x
  2. Step 2: Convert to fraction form
    1,772,989.22/2,652,776.31 = 1,087,428.26/x
  3. Step 3: Cross multiply
    1,772,989.22x = 2,652,776.31 × 1,087,428.26
  4. Step 4: Simplify right side
    1,772,989.22x = 2,884,703,926,952.52
  5. Step 5: Solve for x
    x = 2,884,703,926,952.52/1,772,989.22
  6. Step 6: Final answer
    x = 1,627,028.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.