Home / 3,307,863.51-4,960,899.20-911,138.10

Finding the Fourth Proportional to 3,307,863.51, 4,960,899.20 and 911,138.10

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Solution

The fourth proportional to 3,307,863.51, 4,960,899.20 and 911,138.10 is: 1,366,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307,863.51 : 4,960,899.20 = 911,138.10 : x
  2. Step 2: Convert to fraction form
    3,307,863.51/4,960,899.20 = 911,138.10/x
  3. Step 3: Cross multiply
    3,307,863.51x = 4,960,899.20 × 911,138.10
  4. Step 4: Simplify right side
    3,307,863.51x = 4,520,064,266,823.83
  5. Step 5: Solve for x
    x = 4,520,064,266,823.83/3,307,863.51
  6. Step 6: Final answer
    x = 1,366,460.33

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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.