Home / 5,122,641.38-7,683,120.40-1,839,316.31

Finding the Fourth Proportional to 5,122,641.38, 7,683,120.40 and 1,839,316.31

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Solution

The fourth proportional to 5,122,641.38, 7,683,120.40 and 1,839,316.31 is: 2,758,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,641.38 : 7,683,120.40 = 1,839,316.31 : x
  2. Step 2: Convert to fraction form
    5,122,641.38/7,683,120.40 = 1,839,316.31/x
  3. Step 3: Cross multiply
    5,122,641.38x = 7,683,120.40 × 1,839,316.31
  4. Step 4: Simplify right side
    5,122,641.38x = 14,131,688,663,413.72
  5. Step 5: Solve for x
    x = 14,131,688,663,413.72/5,122,641.38
  6. Step 6: Final answer
    x = 2,758,672.26

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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.