Home / 4,520,714.89-6,781,128.37-1,325,907.01

Finding the Fourth Proportional to 4,520,714.89, 6,781,128.37 and 1,325,907.01

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Solution

The fourth proportional to 4,520,714.89, 6,781,128.37 and 1,325,907.01 is: 1,988,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520,714.89 : 6,781,128.37 = 1,325,907.01 : x
  2. Step 2: Convert to fraction form
    4,520,714.89/6,781,128.37 = 1,325,907.01/x
  3. Step 3: Cross multiply
    4,520,714.89x = 6,781,128.37 × 1,325,907.01
  4. Step 4: Simplify right side
    4,520,714.89x = 8,991,145,641,492.87
  5. Step 5: Solve for x
    x = 8,991,145,641,492.87/4,520,714.89
  6. Step 6: Final answer
    x = 1,988,876.95

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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.