Home / 1,890,899.60-2,831,100.60-1,838,411.60

Finding the Fourth Proportional to 1,890,899.60, 2,831,100.60 and 1,838,411.60

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Solution

The fourth proportional to 1,890,899.60, 2,831,100.60 and 1,838,411.60 is: 2,752,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,899.60 : 2,831,100.60 = 1,838,411.60 : x
  2. Step 2: Convert to fraction form
    1,890,899.60/2,831,100.60 = 1,838,411.60/x
  3. Step 3: Cross multiply
    1,890,899.60x = 2,831,100.60 × 1,838,411.60
  4. Step 4: Simplify right side
    1,890,899.60x = 5,204,728,183,806.96
  5. Step 5: Solve for x
    x = 5,204,728,183,806.96/1,890,899.60
  6. Step 6: Final answer
    x = 2,752,514.30

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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.