Home / 3,188,378.51-4,782,572.90-970,110.62

Finding the Fourth Proportional to 3,188,378.51, 4,782,572.90 and 970,110.62

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Solution

The fourth proportional to 3,188,378.51, 4,782,572.90 and 970,110.62 is: 1,455,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,378.51 : 4,782,572.90 = 970,110.62 : x
  2. Step 2: Convert to fraction form
    3,188,378.51/4,782,572.90 = 970,110.62/x
  3. Step 3: Cross multiply
    3,188,378.51x = 4,782,572.90 × 970,110.62
  4. Step 4: Simplify right side
    3,188,378.51x = 4,639,624,756,363.64
  5. Step 5: Solve for x
    x = 4,639,624,756,363.64/3,188,378.51
  6. Step 6: Final answer
    x = 1,455,167.49

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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.