Home / 3,168,123.20-4,751,018.40-1,038,276.80

Finding the Fourth Proportional to 3,168,123.20, 4,751,018.40 and 1,038,276.80

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Solution

The fourth proportional to 3,168,123.20, 4,751,018.40 and 1,038,276.80 is: 1,557,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,123.20 : 4,751,018.40 = 1,038,276.80 : x
  2. Step 2: Convert to fraction form
    3,168,123.20/4,751,018.40 = 1,038,276.80/x
  3. Step 3: Cross multiply
    3,168,123.20x = 4,751,018.40 × 1,038,276.80
  4. Step 4: Simplify right side
    3,168,123.20x = 4,932,872,181,093.12
  5. Step 5: Solve for x
    x = 4,932,872,181,093.12/3,168,123.20
  6. Step 6: Final answer
    x = 1,557,032.94

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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.