Home / 5,379,878.16-7,424,008.47-2,932,435.35

Finding the Fourth Proportional to 5,379,878.16, 7,424,008.47 and 2,932,435.35

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Solution

The fourth proportional to 5,379,878.16, 7,424,008.47 and 2,932,435.35 is: 4,046,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,878.16 : 7,424,008.47 = 2,932,435.35 : x
  2. Step 2: Convert to fraction form
    5,379,878.16/7,424,008.47 = 2,932,435.35/x
  3. Step 3: Cross multiply
    5,379,878.16x = 7,424,008.47 × 2,932,435.35
  4. Step 4: Simplify right side
    5,379,878.16x = 21,770,424,876,127.41
  5. Step 5: Solve for x
    x = 21,770,424,876,127.41/5,379,878.16
  6. Step 6: Final answer
    x = 4,046,639.02

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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.