Home / 3,179,204.01-4,387,417.18-1,821,339.45

Finding the Fourth Proportional to 3,179,204.01, 4,387,417.18 and 1,821,339.45

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Solution

The fourth proportional to 3,179,204.01, 4,387,417.18 and 1,821,339.45 is: 2,513,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,204.01 : 4,387,417.18 = 1,821,339.45 : x
  2. Step 2: Convert to fraction form
    3,179,204.01/4,387,417.18 = 1,821,339.45/x
  3. Step 3: Cross multiply
    3,179,204.01x = 4,387,417.18 × 1,821,339.45
  4. Step 4: Simplify right side
    3,179,204.01x = 7,990,975,988,988.40
  5. Step 5: Solve for x
    x = 7,990,975,988,988.40/3,179,204.01
  6. Step 6: Final answer
    x = 2,513,514.69

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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.