Home / 1,921,192.23-2,651,171.34-1,105,657.89

Finding the Fourth Proportional to 1,921,192.23, 2,651,171.34 and 1,105,657.89

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Solution

The fourth proportional to 1,921,192.23, 2,651,171.34 and 1,105,657.89 is: 1,525,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,192.23 : 2,651,171.34 = 1,105,657.89 : x
  2. Step 2: Convert to fraction form
    1,921,192.23/2,651,171.34 = 1,105,657.89/x
  3. Step 3: Cross multiply
    1,921,192.23x = 2,651,171.34 × 1,105,657.89
  4. Step 4: Simplify right side
    1,921,192.23x = 2,931,288,509,812.87
  5. Step 5: Solve for x
    x = 2,931,288,509,812.87/1,921,192.23
  6. Step 6: Final answer
    x = 1,525,765.34

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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.