Home / 2,101,569.19-3,149,647.19-1,019,988.61

Finding the Fourth Proportional to 2,101,569.19, 3,149,647.19 and 1,019,988.61

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Solution

The fourth proportional to 2,101,569.19, 3,149,647.19 and 1,019,988.61 is: 1,528,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,569.19 : 3,149,647.19 = 1,019,988.61 : x
  2. Step 2: Convert to fraction form
    2,101,569.19/3,149,647.19 = 1,019,988.61/x
  3. Step 3: Cross multiply
    2,101,569.19x = 3,149,647.19 × 1,019,988.61
  4. Step 4: Simplify right side
    2,101,569.19x = 3,212,604,253,994.36
  5. Step 5: Solve for x
    x = 3,212,604,253,994.36/2,101,569.19
  6. Step 6: Final answer
    x = 1,528,669.28

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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.