Home / 2,605,280.10-3,911,419.35-1,662,828.90

Finding the Fourth Proportional to 2,605,280.10, 3,911,419.35 and 1,662,828.90

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Solution

The fourth proportional to 2,605,280.10, 3,911,419.35 and 1,662,828.90 is: 2,496,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,280.10 : 3,911,419.35 = 1,662,828.90 : x
  2. Step 2: Convert to fraction form
    2,605,280.10/3,911,419.35 = 1,662,828.90/x
  3. Step 3: Cross multiply
    2,605,280.10x = 3,911,419.35 × 1,662,828.90
  4. Step 4: Simplify right side
    2,605,280.10x = 6,504,021,135,199.22
  5. Step 5: Solve for x
    x = 6,504,021,135,199.22/2,605,280.10
  6. Step 6: Final answer
    x = 2,496,476.73

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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.