Home / 3,879,547.10-5,353,940.43-2,160,667.64

Finding the Fourth Proportional to 3,879,547.10, 5,353,940.43 and 2,160,667.64

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Solution

The fourth proportional to 3,879,547.10, 5,353,940.43 and 2,160,667.64 is: 2,981,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,547.10 : 5,353,940.43 = 2,160,667.64 : x
  2. Step 2: Convert to fraction form
    3,879,547.10/5,353,940.43 = 2,160,667.64/x
  3. Step 3: Cross multiply
    3,879,547.10x = 5,353,940.43 × 2,160,667.64
  4. Step 4: Simplify right side
    3,879,547.10x = 11,568,085,806,818.98
  5. Step 5: Solve for x
    x = 11,568,085,806,818.98/3,879,547.10
  6. Step 6: Final answer
    x = 2,981,813.48

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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.