Home / 1,620,938.21-2,431,407.27-610,286.90

Finding the Fourth Proportional to 1,620,938.21, 2,431,407.27 and 610,286.90

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Solution

The fourth proportional to 1,620,938.21, 2,431,407.27 and 610,286.90 is: 915,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,938.21 : 2,431,407.27 = 610,286.90 : x
  2. Step 2: Convert to fraction form
    1,620,938.21/2,431,407.27 = 610,286.90/x
  3. Step 3: Cross multiply
    1,620,938.21x = 2,431,407.27 × 610,286.90
  4. Step 4: Simplify right side
    1,620,938.21x = 1,483,856,005,445.76
  5. Step 5: Solve for x
    x = 1,483,856,005,445.76/1,620,938.21
  6. Step 6: Final answer
    x = 915,430.33

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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.