Home / 1,941,445.40-2,912,168.10-1,831,220.60

Finding the Fourth Proportional to 1,941,445.40, 2,912,168.10 and 1,831,220.60

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Solution

The fourth proportional to 1,941,445.40, 2,912,168.10 and 1,831,220.60 is: 2,746,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,445.40 : 2,912,168.10 = 1,831,220.60 : x
  2. Step 2: Convert to fraction form
    1,941,445.40/2,912,168.10 = 1,831,220.60/x
  3. Step 3: Cross multiply
    1,941,445.40x = 2,912,168.10 × 1,831,220.60
  4. Step 4: Simplify right side
    1,941,445.40x = 5,332,822,215,382.86
  5. Step 5: Solve for x
    x = 5,332,822,215,382.86/1,941,445.40
  6. Step 6: Final answer
    x = 2,746,830.90

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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.