Home / 1,547,858.72-2,135,927.85-868,664

Finding the Fourth Proportional to 1,547,858.72, 2,135,927.85 and 868,664

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Solution

The fourth proportional to 1,547,858.72, 2,135,927.85 and 868,664 is: 1,198,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,858.72 : 2,135,927.85 = 868,664 : x
  2. Step 2: Convert to fraction form
    1,547,858.72/2,135,927.85 = 868,664/x
  3. Step 3: Cross multiply
    1,547,858.72x = 2,135,927.85 × 868,664
  4. Step 4: Simplify right side
    1,547,858.72x = 1,855,403,629,892.40
  5. Step 5: Solve for x
    x = 1,855,403,629,892.40/1,547,858.72
  6. Step 6: Final answer
    x = 1,198,690.56

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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.