Home / 1,833,178.36-2,528,635.41-1,087,576.33

Finding the Fourth Proportional to 1,833,178.36, 2,528,635.41 and 1,087,576.33

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Solution

The fourth proportional to 1,833,178.36, 2,528,635.41 and 1,087,576.33 is: 1,500,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833,178.36 : 2,528,635.41 = 1,087,576.33 : x
  2. Step 2: Convert to fraction form
    1,833,178.36/2,528,635.41 = 1,087,576.33/x
  3. Step 3: Cross multiply
    1,833,178.36x = 2,528,635.41 × 1,087,576.33
  4. Step 4: Simplify right side
    1,833,178.36x = 2,750,084,019,115.85
  5. Step 5: Solve for x
    x = 2,750,084,019,115.85/1,833,178.36
  6. Step 6: Final answer
    x = 1,500,172.64

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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.