Home / 1,917,330.76-2,645,930.64-1,057,922.92

Finding the Fourth Proportional to 1,917,330.76, 2,645,930.64 and 1,057,922.92

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Solution

The fourth proportional to 1,917,330.76, 2,645,930.64 and 1,057,922.92 is: 1,459,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,330.76 : 2,645,930.64 = 1,057,922.92 : x
  2. Step 2: Convert to fraction form
    1,917,330.76/2,645,930.64 = 1,057,922.92/x
  3. Step 3: Cross multiply
    1,917,330.76x = 2,645,930.64 × 1,057,922.92
  4. Step 4: Simplify right side
    1,917,330.76x = 2,799,190,668,786.27
  5. Step 5: Solve for x
    x = 2,799,190,668,786.27/1,917,330.76
  6. Step 6: Final answer
    x = 1,459,941.46

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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.