Home / 3,210,790.55-4,816,989.55-936,315.21

Finding the Fourth Proportional to 3,210,790.55, 4,816,989.55 and 936,315.21

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Solution

The fourth proportional to 3,210,790.55, 4,816,989.55 and 936,315.21 is: 1,404,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,790.55 : 4,816,989.55 = 936,315.21 : x
  2. Step 2: Convert to fraction form
    3,210,790.55/4,816,989.55 = 936,315.21/x
  3. Step 3: Cross multiply
    3,210,790.55x = 4,816,989.55 × 936,315.21
  4. Step 4: Simplify right side
    3,210,790.55x = 4,510,220,582,076.06
  5. Step 5: Solve for x
    x = 4,510,220,582,076.06/3,210,790.55
  6. Step 6: Final answer
    x = 1,404,707.19

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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.