Home / 5,638,633.17-7,781,321.47-3,060,313.98

Finding the Fourth Proportional to 5,638,633.17, 7,781,321.47 and 3,060,313.98

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Solution

The fourth proportional to 5,638,633.17, 7,781,321.47 and 3,060,313.98 is: 4,223,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,633.17 : 7,781,321.47 = 3,060,313.98 : x
  2. Step 2: Convert to fraction form
    5,638,633.17/7,781,321.47 = 3,060,313.98/x
  3. Step 3: Cross multiply
    5,638,633.17x = 7,781,321.47 × 3,060,313.98
  4. Step 4: Simplify right side
    5,638,633.17x = 23,813,286,862,213.58
  5. Step 5: Solve for x
    x = 23,813,286,862,213.58/5,638,633.17
  6. Step 6: Final answer
    x = 4,223,237.47

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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.