Home / 1,845,501.78-2,545,202.07-1,200,686.70

Finding the Fourth Proportional to 1,845,501.78, 2,545,202.07 and 1,200,686.70

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Solution

The fourth proportional to 1,845,501.78, 2,545,202.07 and 1,200,686.70 is: 1,655,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,501.78 : 2,545,202.07 = 1,200,686.70 : x
  2. Step 2: Convert to fraction form
    1,845,501.78/2,545,202.07 = 1,200,686.70/x
  3. Step 3: Cross multiply
    1,845,501.78x = 2,545,202.07 × 1,200,686.70
  4. Step 4: Simplify right side
    1,845,501.78x = 3,055,990,274,261.47
  5. Step 5: Solve for x
    x = 3,055,990,274,261.47/1,845,501.78
  6. Step 6: Final answer
    x = 1,655,912.94

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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.