Home / 1,941,804.30-2,912,706.45-1,269,957.90

Finding the Fourth Proportional to 1,941,804.30, 2,912,706.45 and 1,269,957.90

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Solution

The fourth proportional to 1,941,804.30, 2,912,706.45 and 1,269,957.90 is: 1,904,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,804.30 : 2,912,706.45 = 1,269,957.90 : x
  2. Step 2: Convert to fraction form
    1,941,804.30/2,912,706.45 = 1,269,957.90/x
  3. Step 3: Cross multiply
    1,941,804.30x = 2,912,706.45 × 1,269,957.90
  4. Step 4: Simplify right side
    1,941,804.30x = 3,699,014,566,558.46
  5. Step 5: Solve for x
    x = 3,699,014,566,558.46/1,941,804.30
  6. Step 6: Final answer
    x = 1,904,936.85

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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.