Home / 1,841,746.69-2,542,663.93-1,222,391.80

Finding the Fourth Proportional to 1,841,746.69, 2,542,663.93 and 1,222,391.80

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Solution

The fourth proportional to 1,841,746.69, 2,542,663.93 and 1,222,391.80 is: 1,687,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841,746.69 : 2,542,663.93 = 1,222,391.80 : x
  2. Step 2: Convert to fraction form
    1,841,746.69/2,542,663.93 = 1,222,391.80/x
  3. Step 3: Cross multiply
    1,841,746.69x = 2,542,663.93 × 1,222,391.80
  4. Step 4: Simplify right side
    1,841,746.69x = 3,108,131,525,474.45
  5. Step 5: Solve for x
    x = 3,108,131,525,474.45/1,841,746.69
  6. Step 6: Final answer
    x = 1,687,599.90

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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.