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Finding the Fourth Proportional to 1,855,681.93, 2,560,904.10 and 1,770,651.37

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Solution

The fourth proportional to 1,855,681.93, 2,560,904.10 and 1,770,651.37 is: 2,443,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,681.93 : 2,560,904.10 = 1,770,651.37 : x
  2. Step 2: Convert to fraction form
    1,855,681.93/2,560,904.10 = 1,770,651.37/x
  3. Step 3: Cross multiply
    1,855,681.93x = 2,560,904.10 × 1,770,651.37
  4. Step 4: Simplify right side
    1,855,681.93x = 4,534,468,331,445.84
  5. Step 5: Solve for x
    x = 4,534,468,331,445.84/1,855,681.93
  6. Step 6: Final answer
    x = 2,443,559.03

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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.