Home / 3,389,650.36-4,678,005.98-1,919,820.38

Finding the Fourth Proportional to 3,389,650.36, 4,678,005.98 and 1,919,820.38

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Solution

The fourth proportional to 3,389,650.36, 4,678,005.98 and 1,919,820.38 is: 2,649,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,650.36 : 4,678,005.98 = 1,919,820.38 : x
  2. Step 2: Convert to fraction form
    3,389,650.36/4,678,005.98 = 1,919,820.38/x
  3. Step 3: Cross multiply
    3,389,650.36x = 4,678,005.98 × 1,919,820.38
  4. Step 4: Simplify right side
    3,389,650.36x = 8,980,931,218,165.87
  5. Step 5: Solve for x
    x = 8,980,931,218,165.87/3,389,650.36
  6. Step 6: Final answer
    x = 2,649,515.51

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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.