Home / 3,211,607-4,819,276.74-1,438,679

Finding the Fourth Proportional to 3,211,607, 4,819,276.74 and 1,438,679

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Solution

The fourth proportional to 3,211,607, 4,819,276.74 and 1,438,679 is: 2,158,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,607 : 4,819,276.74 = 1,438,679 : x
  2. Step 2: Convert to fraction form
    3,211,607/4,819,276.74 = 1,438,679/x
  3. Step 3: Cross multiply
    3,211,607x = 4,819,276.74 × 1,438,679
  4. Step 4: Simplify right side
    3,211,607x = 6,933,392,241,026.46
  5. Step 5: Solve for x
    x = 6,933,392,241,026.46/3,211,607
  6. Step 6: Final answer
    x = 2,158,854.51

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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.