Home / 3,207,378.04-4,426,181.45-1,918,218.39

Finding the Fourth Proportional to 3,207,378.04, 4,426,181.45 and 1,918,218.39

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Solution

The fourth proportional to 3,207,378.04, 4,426,181.45 and 1,918,218.39 is: 2,647,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,378.04 : 4,426,181.45 = 1,918,218.39 : x
  2. Step 2: Convert to fraction form
    3,207,378.04/4,426,181.45 = 1,918,218.39/x
  3. Step 3: Cross multiply
    3,207,378.04x = 4,426,181.45 × 1,918,218.39
  4. Step 4: Simplify right side
    3,207,378.04x = 8,490,382,645,275.77
  5. Step 5: Solve for x
    x = 8,490,382,645,275.77/3,207,378.04
  6. Step 6: Final answer
    x = 2,647,141.23

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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.