Home / 5,638,719.84-7,781,235.48-3,060,348.72

Finding the Fourth Proportional to 5,638,719.84, 7,781,235.48 and 3,060,348.72

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Solution

The fourth proportional to 5,638,719.84, 7,781,235.48 and 3,060,348.72 is: 4,223,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,719.84 : 7,781,235.48 = 3,060,348.72 : x
  2. Step 2: Convert to fraction form
    5,638,719.84/7,781,235.48 = 3,060,348.72/x
  3. Step 3: Cross multiply
    5,638,719.84x = 7,781,235.48 × 3,060,348.72
  4. Step 4: Simplify right side
    5,638,719.84x = 23,813,294,041,236.59
  5. Step 5: Solve for x
    x = 23,813,294,041,236.59/5,638,719.84
  6. Step 6: Final answer
    x = 4,223,173.83

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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.