Home / 2,087,564.49-3,126,030.95-1,375,433.55

Finding the Fourth Proportional to 2,087,564.49, 3,126,030.95 and 1,375,433.55

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Solution

The fourth proportional to 2,087,564.49, 3,126,030.95 and 1,375,433.55 is: 2,059,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,564.49 : 3,126,030.95 = 1,375,433.55 : x
  2. Step 2: Convert to fraction form
    2,087,564.49/3,126,030.95 = 1,375,433.55/x
  3. Step 3: Cross multiply
    2,087,564.49x = 3,126,030.95 × 1,375,433.55
  4. Step 4: Simplify right side
    2,087,564.49x = 4,299,647,846,968.37
  5. Step 5: Solve for x
    x = 4,299,647,846,968.37/2,087,564.49
  6. Step 6: Final answer
    x = 2,059,647.91

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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.