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Finding the Fourth Proportional to 1,916,398.94, 2,876,592.22 and 1,411,529.98

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Solution

The fourth proportional to 1,916,398.94, 2,876,592.22 and 1,411,529.98 is: 2,118,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,398.94 : 2,876,592.22 = 1,411,529.98 : x
  2. Step 2: Convert to fraction form
    1,916,398.94/2,876,592.22 = 1,411,529.98/x
  3. Step 3: Cross multiply
    1,916,398.94x = 2,876,592.22 × 1,411,529.98
  4. Step 4: Simplify right side
    1,916,398.94x = 4,060,396,158,764.76
  5. Step 5: Solve for x
    x = 4,060,396,158,764.76/1,916,398.94
  6. Step 6: Final answer
    x = 2,118,763.52

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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.