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Finding the Fourth Proportional to 2,886,391.04, 3,983,783.04 and 1,740,657.92

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Solution

The fourth proportional to 2,886,391.04, 3,983,783.04 and 1,740,657.92 is: 2,402,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,391.04 : 3,983,783.04 = 1,740,657.92 : x
  2. Step 2: Convert to fraction form
    2,886,391.04/3,983,783.04 = 1,740,657.92/x
  3. Step 3: Cross multiply
    2,886,391.04x = 3,983,783.04 × 1,740,657.92
  4. Step 4: Simplify right side
    2,886,391.04x = 6,934,403,500,137.68
  5. Step 5: Solve for x
    x = 6,934,403,500,137.68/2,886,391.04
  6. Step 6: Final answer
    x = 2,402,447.69

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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.