Home / 1,603,580.20-2,211,167.38-1,021,881.87

Finding the Fourth Proportional to 1,603,580.20, 2,211,167.38 and 1,021,881.87

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Solution

The fourth proportional to 1,603,580.20, 2,211,167.38 and 1,021,881.87 is: 1,409,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,580.20 : 2,211,167.38 = 1,021,881.87 : x
  2. Step 2: Convert to fraction form
    1,603,580.20/2,211,167.38 = 1,021,881.87/x
  3. Step 3: Cross multiply
    1,603,580.20x = 2,211,167.38 × 1,021,881.87
  4. Step 4: Simplify right side
    1,603,580.20x = 2,259,551,857,157.40
  5. Step 5: Solve for x
    x = 2,259,551,857,157.40/1,603,580.20
  6. Step 6: Final answer
    x = 1,409,066.95

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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.