Home / 1,639,308.70-2,458,963.05-1,240,727.95

Finding the Fourth Proportional to 1,639,308.70, 2,458,963.05 and 1,240,727.95

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Solution

The fourth proportional to 1,639,308.70, 2,458,963.05 and 1,240,727.95 is: 1,861,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,308.70 : 2,458,963.05 = 1,240,727.95 : x
  2. Step 2: Convert to fraction form
    1,639,308.70/2,458,963.05 = 1,240,727.95/x
  3. Step 3: Cross multiply
    1,639,308.70x = 2,458,963.05 × 1,240,727.95
  4. Step 4: Simplify right side
    1,639,308.70x = 3,050,904,184,152.25
  5. Step 5: Solve for x
    x = 3,050,904,184,152.25/1,639,308.70
  6. Step 6: Final answer
    x = 1,861,091.93

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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.