Home / 1,906,533.64-2,631,145.24-1,047,102.78

Finding the Fourth Proportional to 1,906,533.64, 2,631,145.24 and 1,047,102.78

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Solution

The fourth proportional to 1,906,533.64, 2,631,145.24 and 1,047,102.78 is: 1,445,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,533.64 : 2,631,145.24 = 1,047,102.78 : x
  2. Step 2: Convert to fraction form
    1,906,533.64/2,631,145.24 = 1,047,102.78/x
  3. Step 3: Cross multiply
    1,906,533.64x = 2,631,145.24 × 1,047,102.78
  4. Step 4: Simplify right side
    1,906,533.64x = 2,755,079,495,387.77
  5. Step 5: Solve for x
    x = 2,755,079,495,387.77/1,906,533.64
  6. Step 6: Final answer
    x = 1,445,072.58

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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.