Home / 3,128,414-4,317,211.32-1,697,630

Finding the Fourth Proportional to 3,128,414, 4,317,211.32 and 1,697,630

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Solution

The fourth proportional to 3,128,414, 4,317,211.32 and 1,697,630 is: 2,342,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,414 : 4,317,211.32 = 1,697,630 : x
  2. Step 2: Convert to fraction form
    3,128,414/4,317,211.32 = 1,697,630/x
  3. Step 3: Cross multiply
    3,128,414x = 4,317,211.32 × 1,697,630
  4. Step 4: Simplify right side
    3,128,414x = 7,329,027,453,171.60
  5. Step 5: Solve for x
    x = 7,329,027,453,171.60/3,128,414
  6. Step 6: Final answer
    x = 2,342,729.40

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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.