Home / 2,188,758.31-3,280,525.43-1,018,703.08

Finding the Fourth Proportional to 2,188,758.31, 3,280,525.43 and 1,018,703.08

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Solution

The fourth proportional to 2,188,758.31, 3,280,525.43 and 1,018,703.08 is: 1,526,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,758.31 : 3,280,525.43 = 1,018,703.08 : x
  2. Step 2: Convert to fraction form
    2,188,758.31/3,280,525.43 = 1,018,703.08/x
  3. Step 3: Cross multiply
    2,188,758.31x = 3,280,525.43 × 1,018,703.08
  4. Step 4: Simplify right side
    2,188,758.31x = 3,341,881,354,465.81
  5. Step 5: Solve for x
    x = 3,341,881,354,465.81/2,188,758.31
  6. Step 6: Final answer
    x = 1,526,838.91

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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.