Home / 4,753,848.98-7,128,192.81-2,158,728.81

Finding the Fourth Proportional to 4,753,848.98, 7,128,192.81 and 2,158,728.81

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Solution

The fourth proportional to 4,753,848.98, 7,128,192.81 and 2,158,728.81 is: 3,236,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753,848.98 : 7,128,192.81 = 2,158,728.81 : x
  2. Step 2: Convert to fraction form
    4,753,848.98/7,128,192.81 = 2,158,728.81/x
  3. Step 3: Cross multiply
    4,753,848.98x = 7,128,192.81 × 2,158,728.81
  4. Step 4: Simplify right side
    4,753,848.98x = 15,387,835,182,181.86
  5. Step 5: Solve for x
    x = 15,387,835,182,181.86/4,753,848.98
  6. Step 6: Final answer
    x = 3,236,921.33

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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.