Home / 3,128,466.75-4,317,284.12-1,697,682.75

Finding the Fourth Proportional to 3,128,466.75, 4,317,284.12 and 1,697,682.75

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Solution

The fourth proportional to 3,128,466.75, 4,317,284.12 and 1,697,682.75 is: 2,342,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,466.75 : 4,317,284.12 = 1,697,682.75 : x
  2. Step 2: Convert to fraction form
    3,128,466.75/4,317,284.12 = 1,697,682.75/x
  3. Step 3: Cross multiply
    3,128,466.75x = 4,317,284.12 × 1,697,682.75
  4. Step 4: Simplify right side
    3,128,466.75x = 7,329,378,768,884.52
  5. Step 5: Solve for x
    x = 7,329,378,768,884.52/3,128,466.75
  6. Step 6: Final answer
    x = 2,342,802.20

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1.5x scale

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.