Home / 1,991,820.92-2,748,712.77-1,132,381.17

Finding the Fourth Proportional to 1,991,820.92, 2,748,712.77 and 1,132,381.17

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Solution

The fourth proportional to 1,991,820.92, 2,748,712.77 and 1,132,381.17 is: 1,562,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,820.92 : 2,748,712.77 = 1,132,381.17 : x
  2. Step 2: Convert to fraction form
    1,991,820.92/2,748,712.77 = 1,132,381.17/x
  3. Step 3: Cross multiply
    1,991,820.92x = 2,748,712.77 × 1,132,381.17
  4. Step 4: Simplify right side
    1,991,820.92x = 3,112,590,582,486.54
  5. Step 5: Solve for x
    x = 3,112,590,582,486.54/1,991,820.92
  6. Step 6: Final answer
    x = 1,562,685.96

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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.