Home / 2,189,156.54-3,021,539.91-1,284,030.14

Finding the Fourth Proportional to 2,189,156.54, 3,021,539.91 and 1,284,030.14

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Solution

The fourth proportional to 2,189,156.54, 3,021,539.91 and 1,284,030.14 is: 1,772,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,156.54 : 3,021,539.91 = 1,284,030.14 : x
  2. Step 2: Convert to fraction form
    2,189,156.54/3,021,539.91 = 1,284,030.14/x
  3. Step 3: Cross multiply
    2,189,156.54x = 3,021,539.91 × 1,284,030.14
  4. Step 4: Simplify right side
    2,189,156.54x = 3,879,748,313,652.89
  5. Step 5: Solve for x
    x = 3,879,748,313,652.89/2,189,156.54
  6. Step 6: Final answer
    x = 1,772,257.14

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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.