Home / 1,782,938.17-2,458,593.80-1,057,645.76

Finding the Fourth Proportional to 1,782,938.17, 2,458,593.80 and 1,057,645.76

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Solution

The fourth proportional to 1,782,938.17, 2,458,593.80 and 1,057,645.76 is: 1,458,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,938.17 : 2,458,593.80 = 1,057,645.76 : x
  2. Step 2: Convert to fraction form
    1,782,938.17/2,458,593.80 = 1,057,645.76/x
  3. Step 3: Cross multiply
    1,782,938.17x = 2,458,593.80 × 1,057,645.76
  4. Step 4: Simplify right side
    1,782,938.17x = 2,600,321,308,990.54
  5. Step 5: Solve for x
    x = 2,600,321,308,990.54/1,782,938.17
  6. Step 6: Final answer
    x = 1,458,447.27

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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.