Home / 5,079,020.05-7,008,702.61-2,787,328.36

Finding the Fourth Proportional to 5,079,020.05, 7,008,702.61 and 2,787,328.36

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Solution

The fourth proportional to 5,079,020.05, 7,008,702.61 and 2,787,328.36 is: 3,846,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,020.05 : 7,008,702.61 = 2,787,328.36 : x
  2. Step 2: Convert to fraction form
    5,079,020.05/7,008,702.61 = 2,787,328.36/x
  3. Step 3: Cross multiply
    5,079,020.05x = 7,008,702.61 × 2,787,328.36
  4. Step 4: Simplify right side
    5,079,020.05x = 19,535,555,537,621.42
  5. Step 5: Solve for x
    x = 19,535,555,537,621.42/5,079,020.05
  6. Step 6: Final answer
    x = 3,846,323.77

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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.