Home / 3,207,381.03-4,426,185.57-1,918,221.39

Finding the Fourth Proportional to 3,207,381.03, 4,426,185.57 and 1,918,221.39

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Solution

The fourth proportional to 3,207,381.03, 4,426,185.57 and 1,918,221.39 is: 2,647,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,381.03 : 4,426,185.57 = 1,918,221.39 : x
  2. Step 2: Convert to fraction form
    3,207,381.03/4,426,185.57 = 1,918,221.39/x
  3. Step 3: Cross multiply
    3,207,381.03x = 4,426,185.57 × 1,918,221.39
  4. Step 4: Simplify right side
    3,207,381.03x = 8,490,403,836,483.34
  5. Step 5: Solve for x
    x = 8,490,403,836,483.34/3,207,381.03
  6. Step 6: Final answer
    x = 2,647,145.37

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Double scale
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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.