Home / 5,638,679.95-7,781,381.63-3,060,360.70

Finding the Fourth Proportional to 5,638,679.95, 7,781,381.63 and 3,060,360.70

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Solution

The fourth proportional to 5,638,679.95, 7,781,381.63 and 3,060,360.70 is: 4,223,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,679.95 : 7,781,381.63 = 3,060,360.70 : x
  2. Step 2: Convert to fraction form
    5,638,679.95/7,781,381.63 = 3,060,360.70/x
  3. Step 3: Cross multiply
    5,638,679.95x = 7,781,381.63 × 3,060,360.70
  4. Step 4: Simplify right side
    5,638,679.95x = 23,813,834,532,153.94
  5. Step 5: Solve for x
    x = 23,813,834,532,153.94/5,638,679.95
  6. Step 6: Final answer
    x = 4,223,299.56

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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.