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Finding the Fourth Proportional to 1,892,368.86, 2,837,462.52 and 1,294,054.88

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Solution

The fourth proportional to 1,892,368.86, 2,837,462.52 and 1,294,054.88 is: 1,940,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,368.86 : 2,837,462.52 = 1,294,054.88 : x
  2. Step 2: Convert to fraction form
    1,892,368.86/2,837,462.52 = 1,294,054.88/x
  3. Step 3: Cross multiply
    1,892,368.86x = 2,837,462.52 × 1,294,054.88
  4. Step 4: Simplify right side
    1,892,368.86x = 3,671,832,206,635.79
  5. Step 5: Solve for x
    x = 3,671,832,206,635.79/1,892,368.86
  6. Step 6: Final answer
    x = 1,940,336.41

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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.