Home / 1,982,021.16-2,735,572.80-1,292,495.93

Finding the Fourth Proportional to 1,982,021.16, 2,735,572.80 and 1,292,495.93

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Solution

The fourth proportional to 1,982,021.16, 2,735,572.80 and 1,292,495.93 is: 1,783,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,021.16 : 2,735,572.80 = 1,292,495.93 : x
  2. Step 2: Convert to fraction form
    1,982,021.16/2,735,572.80 = 1,292,495.93/x
  3. Step 3: Cross multiply
    1,982,021.16x = 2,735,572.80 × 1,292,495.93
  4. Step 4: Simplify right side
    1,982,021.16x = 3,535,716,696,540.84
  5. Step 5: Solve for x
    x = 3,535,716,696,540.84/1,982,021.16
  6. Step 6: Final answer
    x = 1,783,894.53

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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.