Home / 3,109,141.84-4,290,558.16-1,694,677.28

Finding the Fourth Proportional to 3,109,141.84, 4,290,558.16 and 1,694,677.28

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Solution

The fourth proportional to 3,109,141.84, 4,290,558.16 and 1,694,677.28 is: 2,338,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,141.84 : 4,290,558.16 = 1,694,677.28 : x
  2. Step 2: Convert to fraction form
    3,109,141.84/4,290,558.16 = 1,694,677.28/x
  3. Step 3: Cross multiply
    3,109,141.84x = 4,290,558.16 × 1,694,677.28
  4. Step 4: Simplify right side
    3,109,141.84x = 7,271,111,432,270.61
  5. Step 5: Solve for x
    x = 7,271,111,432,270.61/3,109,141.84
  6. Step 6: Final answer
    x = 2,338,623.26

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Double scale
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1.5x scale

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.