Home / 5,430,712.50-8,146,064.97-1,387,055.34

Finding the Fourth Proportional to 5,430,712.50, 8,146,064.97 and 1,387,055.34

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Solution

The fourth proportional to 5,430,712.50, 8,146,064.97 and 1,387,055.34 is: 2,080,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,712.50 : 8,146,064.97 = 1,387,055.34 : x
  2. Step 2: Convert to fraction form
    5,430,712.50/8,146,064.97 = 1,387,055.34/x
  3. Step 3: Cross multiply
    5,430,712.50x = 8,146,064.97 × 1,387,055.34
  4. Step 4: Simplify right side
    5,430,712.50x = 11,299,042,916,625.44
  5. Step 5: Solve for x
    x = 11,299,042,916,625.44/5,430,712.50
  6. Step 6: Final answer
    x = 2,080,582.04

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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.