Home / 2,912,825.88-4,018,053.60-1,823,205.78

Finding the Fourth Proportional to 2,912,825.88, 4,018,053.60 and 1,823,205.78

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Solution

The fourth proportional to 2,912,825.88, 4,018,053.60 and 1,823,205.78 is: 2,514,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,825.88 : 4,018,053.60 = 1,823,205.78 : x
  2. Step 2: Convert to fraction form
    2,912,825.88/4,018,053.60 = 1,823,205.78/x
  3. Step 3: Cross multiply
    2,912,825.88x = 4,018,053.60 × 1,823,205.78
  4. Step 4: Simplify right side
    2,912,825.88x = 7,325,738,547,869.81
  5. Step 5: Solve for x
    x = 7,325,738,547,869.81/2,912,825.88
  6. Step 6: Final answer
    x = 2,514,993.63

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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.