Home / 5,638,977.81-7,781,580.90-3,060,603.36

Finding the Fourth Proportional to 5,638,977.81, 7,781,580.90 and 3,060,603.36

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Solution

The fourth proportional to 5,638,977.81, 7,781,580.90 and 3,060,603.36 is: 4,223,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,977.81 : 7,781,580.90 = 3,060,603.36 : x
  2. Step 2: Convert to fraction form
    5,638,977.81/7,781,580.90 = 3,060,603.36/x
  3. Step 3: Cross multiply
    5,638,977.81x = 7,781,580.90 × 3,060,603.36
  4. Step 4: Simplify right side
    5,638,977.81x = 23,816,332,648,651.82
  5. Step 5: Solve for x
    x = 23,816,332,648,651.82/5,638,977.81
  6. Step 6: Final answer
    x = 4,223,519.48

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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.