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Finding the Fourth Proportional to 1,864,973.86, 2,797,451.56 and 1,611,482.97

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Solution

The fourth proportional to 1,864,973.86, 2,797,451.56 and 1,611,482.97 is: 2,417,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,973.86 : 2,797,451.56 = 1,611,482.97 : x
  2. Step 2: Convert to fraction form
    1,864,973.86/2,797,451.56 = 1,611,482.97/x
  3. Step 3: Cross multiply
    1,864,973.86x = 2,797,451.56 × 1,611,482.97
  4. Step 4: Simplify right side
    1,864,973.86x = 4,508,045,548,339.93
  5. Step 5: Solve for x
    x = 4,508,045,548,339.93/1,864,973.86
  6. Step 6: Final answer
    x = 2,417,216.48

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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.