Home / 2,211,166.12-3,317,041.01-771,875.44

Finding the Fourth Proportional to 2,211,166.12, 3,317,041.01 and 771,875.44

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Solution

The fourth proportional to 2,211,166.12, 3,317,041.01 and 771,875.44 is: 1,157,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,166.12 : 3,317,041.01 = 771,875.44 : x
  2. Step 2: Convert to fraction form
    2,211,166.12/3,317,041.01 = 771,875.44/x
  3. Step 3: Cross multiply
    2,211,166.12x = 3,317,041.01 × 771,875.44
  4. Step 4: Simplify right side
    2,211,166.12x = 2,560,342,489,091.79
  5. Step 5: Solve for x
    x = 2,560,342,489,091.79/2,211,166.12
  6. Step 6: Final answer
    x = 1,157,915.03

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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.