Home / 3,685,919.92-5,528,506.20-989,894.86

Finding the Fourth Proportional to 3,685,919.92, 5,528,506.20 and 989,894.86

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Solution

The fourth proportional to 3,685,919.92, 5,528,506.20 and 989,894.86 is: 1,484,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,919.92 : 5,528,506.20 = 989,894.86 : x
  2. Step 2: Convert to fraction form
    3,685,919.92/5,528,506.20 = 989,894.86/x
  3. Step 3: Cross multiply
    3,685,919.92x = 5,528,506.20 × 989,894.86
  4. Step 4: Simplify right side
    3,685,919.92x = 5,472,639,870,858.13
  5. Step 5: Solve for x
    x = 5,472,639,870,858.13/3,685,919.92
  6. Step 6: Final answer
    x = 1,484,741.93

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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.