Home / 2,087,889.40-2,882,675.55-1,603,588.78

Finding the Fourth Proportional to 2,087,889.40, 2,882,675.55 and 1,603,588.78

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Solution

The fourth proportional to 2,087,889.40, 2,882,675.55 and 1,603,588.78 is: 2,214,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,889.40 : 2,882,675.55 = 1,603,588.78 : x
  2. Step 2: Convert to fraction form
    2,087,889.40/2,882,675.55 = 1,603,588.78/x
  3. Step 3: Cross multiply
    2,087,889.40x = 2,882,675.55 × 1,603,588.78
  4. Step 4: Simplify right side
    2,087,889.40x = 4,622,626,168,360.33
  5. Step 5: Solve for x
    x = 4,622,626,168,360.33/2,087,889.40
  6. Step 6: Final answer
    x = 2,214,018.70

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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.