Home / 2,087,128.70-3,133,025.85-1,615,903.10

Finding the Fourth Proportional to 2,087,128.70, 3,133,025.85 and 1,615,903.10

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Solution

The fourth proportional to 2,087,128.70, 3,133,025.85 and 1,615,903.10 is: 2,425,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,128.70 : 3,133,025.85 = 1,615,903.10 : x
  2. Step 2: Convert to fraction form
    2,087,128.70/3,133,025.85 = 1,615,903.10/x
  3. Step 3: Cross multiply
    2,087,128.70x = 3,133,025.85 × 1,615,903.10
  4. Step 4: Simplify right side
    2,087,128.70x = 5,062,666,183,395.14
  5. Step 5: Solve for x
    x = 5,062,666,183,395.14/2,087,128.70
  6. Step 6: Final answer
    x = 2,425,660.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.