Home / 3,114,415.80-4,671,623.70-1,912,440.60

Finding the Fourth Proportional to 3,114,415.80, 4,671,623.70 and 1,912,440.60

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Solution

The fourth proportional to 3,114,415.80, 4,671,623.70 and 1,912,440.60 is: 2,868,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,415.80 : 4,671,623.70 = 1,912,440.60 : x
  2. Step 2: Convert to fraction form
    3,114,415.80/4,671,623.70 = 1,912,440.60/x
  3. Step 3: Cross multiply
    3,114,415.80x = 4,671,623.70 × 1,912,440.60
  4. Step 4: Simplify right side
    3,114,415.80x = 8,934,202,831,802.22
  5. Step 5: Solve for x
    x = 8,934,202,831,802.22/3,114,415.80
  6. Step 6: Final answer
    x = 2,868,660.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.