Home / 2,115,037.95-3,168,707.81-1,888,289.79

Finding the Fourth Proportional to 2,115,037.95, 3,168,707.81 and 1,888,289.79

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Solution

The fourth proportional to 2,115,037.95, 3,168,707.81 and 1,888,289.79 is: 2,828,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,037.95 : 3,168,707.81 = 1,888,289.79 : x
  2. Step 2: Convert to fraction form
    2,115,037.95/3,168,707.81 = 1,888,289.79/x
  3. Step 3: Cross multiply
    2,115,037.95x = 3,168,707.81 × 1,888,289.79
  4. Step 4: Simplify right side
    2,115,037.95x = 5,983,438,595,674.81
  5. Step 5: Solve for x
    x = 5,983,438,595,674.81/2,115,037.95
  6. Step 6: Final answer
    x = 2,828,998.22

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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.