Home / 5,640,120.18-7,783,460.50-3,061,800.95

Finding the Fourth Proportional to 5,640,120.18, 7,783,460.50 and 3,061,800.95

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Solution

The fourth proportional to 5,640,120.18, 7,783,460.50 and 3,061,800.95 is: 4,225,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,120.18 : 7,783,460.50 = 3,061,800.95 : x
  2. Step 2: Convert to fraction form
    5,640,120.18/7,783,460.50 = 3,061,800.95/x
  3. Step 3: Cross multiply
    5,640,120.18x = 7,783,460.50 × 3,061,800.95
  4. Step 4: Simplify right side
    5,640,120.18x = 23,831,406,743,041.57
  5. Step 5: Solve for x
    x = 23,831,406,743,041.57/5,640,120.18
  6. Step 6: Final answer
    x = 4,225,336.70

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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.