Home / 3,128,446.13-4,317,255.66-1,697,662.13

Finding the Fourth Proportional to 3,128,446.13, 4,317,255.66 and 1,697,662.13

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Solution

The fourth proportional to 3,128,446.13, 4,317,255.66 and 1,697,662.13 is: 2,342,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,446.13 : 4,317,255.66 = 1,697,662.13 : x
  2. Step 2: Convert to fraction form
    3,128,446.13/4,317,255.66 = 1,697,662.13/x
  3. Step 3: Cross multiply
    3,128,446.13x = 4,317,255.66 × 1,697,662.13
  4. Step 4: Simplify right side
    3,128,446.13x = 7,329,241,439,510.16
  5. Step 5: Solve for x
    x = 7,329,241,439,510.16/3,128,446.13
  6. Step 6: Final answer
    x = 2,342,773.74

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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.