Home / 3,781,837.68-5,672,805.93-1,257,493.20

Finding the Fourth Proportional to 3,781,837.68, 5,672,805.93 and 1,257,493.20

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Solution

The fourth proportional to 3,781,837.68, 5,672,805.93 and 1,257,493.20 is: 1,886,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,837.68 : 5,672,805.93 = 1,257,493.20 : x
  2. Step 2: Convert to fraction form
    3,781,837.68/5,672,805.93 = 1,257,493.20/x
  3. Step 3: Cross multiply
    3,781,837.68x = 5,672,805.93 × 1,257,493.20
  4. Step 4: Simplify right side
    3,781,837.68x = 7,133,514,881,894.68
  5. Step 5: Solve for x
    x = 7,133,514,881,894.68/3,781,837.68
  6. Step 6: Final answer
    x = 1,886,256.23

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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.