Home / 3,221,808.39-4,445,981.76-1,771,493.67

Finding the Fourth Proportional to 3,221,808.39, 4,445,981.76 and 1,771,493.67

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Solution

The fourth proportional to 3,221,808.39, 4,445,981.76 and 1,771,493.67 is: 2,444,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,808.39 : 4,445,981.76 = 1,771,493.67 : x
  2. Step 2: Convert to fraction form
    3,221,808.39/4,445,981.76 = 1,771,493.67/x
  3. Step 3: Cross multiply
    3,221,808.39x = 4,445,981.76 × 1,771,493.67
  4. Step 4: Simplify right side
    3,221,808.39x = 7,876,028,544,775.46
  5. Step 5: Solve for x
    x = 7,876,028,544,775.46/3,221,808.39
  6. Step 6: Final answer
    x = 2,444,598.68

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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.