Home / 5,140,146.72-7,702,108.88-1,897,220.86

Finding the Fourth Proportional to 5,140,146.72, 7,702,108.88 and 1,897,220.86

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Solution

The fourth proportional to 5,140,146.72, 7,702,108.88 and 1,897,220.86 is: 2,842,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,146.72 : 7,702,108.88 = 1,897,220.86 : x
  2. Step 2: Convert to fraction form
    5,140,146.72/7,702,108.88 = 1,897,220.86/x
  3. Step 3: Cross multiply
    5,140,146.72x = 7,702,108.88 × 1,897,220.86
  4. Step 4: Simplify right side
    5,140,146.72x = 14,612,601,633,127.24
  5. Step 5: Solve for x
    x = 14,612,601,633,127.24/5,140,146.72
  6. Step 6: Final answer
    x = 2,842,837.46

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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.