Home / 1,854,000-2,558,520.32-1,006,128

Finding the Fourth Proportional to 1,854,000, 2,558,520.32 and 1,006,128

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Solution

The fourth proportional to 1,854,000, 2,558,520.32 and 1,006,128 is: 1,388,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,000 : 2,558,520.32 = 1,006,128 : x
  2. Step 2: Convert to fraction form
    1,854,000/2,558,520.32 = 1,006,128/x
  3. Step 3: Cross multiply
    1,854,000x = 2,558,520.32 × 1,006,128
  4. Step 4: Simplify right side
    1,854,000x = 2,574,198,932,520.96
  5. Step 5: Solve for x
    x = 2,574,198,932,520.96/1,854,000
  6. Step 6: Final answer
    x = 1,388,456.81

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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.