Home / 2,916,885.12-4,025,301.57-1,610,137.50

Finding the Fourth Proportional to 2,916,885.12, 4,025,301.57 and 1,610,137.50

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Solution

The fourth proportional to 2,916,885.12, 4,025,301.57 and 1,610,137.50 is: 2,221,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,885.12 : 4,025,301.57 = 1,610,137.50 : x
  2. Step 2: Convert to fraction form
    2,916,885.12/4,025,301.57 = 1,610,137.50/x
  3. Step 3: Cross multiply
    2,916,885.12x = 4,025,301.57 × 1,610,137.50
  4. Step 4: Simplify right side
    2,916,885.12x = 6,481,289,006,665.88
  5. Step 5: Solve for x
    x = 6,481,289,006,665.88/2,916,885.12
  6. Step 6: Final answer
    x = 2,221,989.81

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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.