Home / 2,913,982.85-4,021,196.98-1,607,286.66

Finding the Fourth Proportional to 2,913,982.85, 4,021,196.98 and 1,607,286.66

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Solution

The fourth proportional to 2,913,982.85, 4,021,196.98 and 1,607,286.66 is: 2,218,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,982.85 : 4,021,196.98 = 1,607,286.66 : x
  2. Step 2: Convert to fraction form
    2,913,982.85/4,021,196.98 = 1,607,286.66/x
  3. Step 3: Cross multiply
    2,913,982.85x = 4,021,196.98 × 1,607,286.66
  4. Step 4: Simplify right side
    2,913,982.85x = 6,463,216,263,186.29
  5. Step 5: Solve for x
    x = 6,463,216,263,186.29/2,913,982.85
  6. Step 6: Final answer
    x = 2,218,000.79

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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.