Home / 2,219,893.78-3,328,492.26-870,439.64

Finding the Fourth Proportional to 2,219,893.78, 3,328,492.26 and 870,439.64

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Solution

The fourth proportional to 2,219,893.78, 3,328,492.26 and 870,439.64 is: 1,305,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,893.78 : 3,328,492.26 = 870,439.64 : x
  2. Step 2: Convert to fraction form
    2,219,893.78/3,328,492.26 = 870,439.64/x
  3. Step 3: Cross multiply
    2,219,893.78x = 3,328,492.26 × 870,439.64
  4. Step 4: Simplify right side
    2,219,893.78x = 2,897,251,604,537.19
  5. Step 5: Solve for x
    x = 2,897,251,604,537.19/2,219,893.78
  6. Step 6: Final answer
    x = 1,305,130.74

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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.