Home / 1,547,838.72-2,135,900.25-868,644

Finding the Fourth Proportional to 1,547,838.72, 2,135,900.25 and 868,644

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Solution

The fourth proportional to 1,547,838.72, 2,135,900.25 and 868,644 is: 1,198,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,838.72 : 2,135,900.25 = 868,644 : x
  2. Step 2: Convert to fraction form
    1,547,838.72/2,135,900.25 = 868,644/x
  3. Step 3: Cross multiply
    1,547,838.72x = 2,135,900.25 × 868,644
  4. Step 4: Simplify right side
    1,547,838.72x = 1,855,336,936,761
  5. Step 5: Solve for x
    x = 1,855,336,936,761/1,547,838.72
  6. Step 6: Final answer
    x = 1,198,662.96

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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.