Home / 1,992,905.84-2,750,300.20-1,122,039.77

Finding the Fourth Proportional to 1,992,905.84, 2,750,300.20 and 1,122,039.77

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Solution

The fourth proportional to 1,992,905.84, 2,750,300.20 and 1,122,039.77 is: 1,548,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,905.84 : 2,750,300.20 = 1,122,039.77 : x
  2. Step 2: Convert to fraction form
    1,992,905.84/2,750,300.20 = 1,122,039.77/x
  3. Step 3: Cross multiply
    1,992,905.84x = 2,750,300.20 × 1,122,039.77
  4. Step 4: Simplify right side
    1,992,905.84x = 3,085,946,205,104.51
  5. Step 5: Solve for x
    x = 3,085,946,205,104.51/1,992,905.84
  6. Step 6: Final answer
    x = 1,548,465.63

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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.