Home / 2,732,342.80-4,100,992.80-1,385,442.40

Finding the Fourth Proportional to 2,732,342.80, 4,100,992.80 and 1,385,442.40

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Solution

The fourth proportional to 2,732,342.80, 4,100,992.80 and 1,385,442.40 is: 2,079,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732,342.80 : 4,100,992.80 = 1,385,442.40 : x
  2. Step 2: Convert to fraction form
    2,732,342.80/4,100,992.80 = 1,385,442.40/x
  3. Step 3: Cross multiply
    2,732,342.80x = 4,100,992.80 × 1,385,442.40
  4. Step 4: Simplify right side
    2,732,342.80x = 5,681,689,307,214.72
  5. Step 5: Solve for x
    x = 5,681,689,307,214.72/2,732,342.80
  6. Step 6: Final answer
    x = 2,079,420.38

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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.