Home / 3,128,463-4,317,278.94-1,697,679

Finding the Fourth Proportional to 3,128,463, 4,317,278.94 and 1,697,679

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Solution

The fourth proportional to 3,128,463, 4,317,278.94 and 1,697,679 is: 2,342,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,463 : 4,317,278.94 = 1,697,679 : x
  2. Step 2: Convert to fraction form
    3,128,463/4,317,278.94 = 1,697,679/x
  3. Step 3: Cross multiply
    3,128,463x = 4,317,278.94 × 1,697,679
  4. Step 4: Simplify right side
    3,128,463x = 7,329,353,793,580.26
  5. Step 5: Solve for x
    x = 7,329,353,793,580.26/3,128,463
  6. Step 6: Final answer
    x = 2,342,797.02

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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.