Home / 3,146,526.72-4,342,197.60-1,788,661.44

Finding the Fourth Proportional to 3,146,526.72, 4,342,197.60 and 1,788,661.44

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Solution

The fourth proportional to 3,146,526.72, 4,342,197.60 and 1,788,661.44 is: 2,468,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,526.72 : 4,342,197.60 = 1,788,661.44 : x
  2. Step 2: Convert to fraction form
    3,146,526.72/4,342,197.60 = 1,788,661.44/x
  3. Step 3: Cross multiply
    3,146,526.72x = 4,342,197.60 × 1,788,661.44
  4. Step 4: Simplify right side
    3,146,526.72x = 7,766,721,411,980.54
  5. Step 5: Solve for x
    x = 7,766,721,411,980.54/3,146,526.72
  6. Step 6: Final answer
    x = 2,468,347.52

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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.