Home / 3,117,977.80-4,676,966.70-2,090,525.20

Finding the Fourth Proportional to 3,117,977.80, 4,676,966.70 and 2,090,525.20

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Solution

The fourth proportional to 3,117,977.80, 4,676,966.70 and 2,090,525.20 is: 3,135,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,977.80 : 4,676,966.70 = 2,090,525.20 : x
  2. Step 2: Convert to fraction form
    3,117,977.80/4,676,966.70 = 2,090,525.20/x
  3. Step 3: Cross multiply
    3,117,977.80x = 4,676,966.70 × 2,090,525.20
  4. Step 4: Simplify right side
    3,117,977.80x = 9,777,316,745,910.84
  5. Step 5: Solve for x
    x = 9,777,316,745,910.84/3,117,977.80
  6. Step 6: Final answer
    x = 3,135,787.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.