Home / 3,188,743.74-4,778,639.55-1,745,717.40

Finding the Fourth Proportional to 3,188,743.74, 4,778,639.55 and 1,745,717.40

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Solution

The fourth proportional to 3,188,743.74, 4,778,639.55 and 1,745,717.40 is: 2,616,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,743.74 : 4,778,639.55 = 1,745,717.40 : x
  2. Step 2: Convert to fraction form
    3,188,743.74/4,778,639.55 = 1,745,717.40/x
  3. Step 3: Cross multiply
    3,188,743.74x = 4,778,639.55 × 1,745,717.40
  4. Step 4: Simplify right side
    3,188,743.74x = 8,342,154,210,763.17
  5. Step 5: Solve for x
    x = 8,342,154,210,763.17/3,188,743.74
  6. Step 6: Final answer
    x = 2,616,125.63

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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.