Home / 5,173,213.19-7,139,036.15-2,999,016.72

Finding the Fourth Proportional to 5,173,213.19, 7,139,036.15 and 2,999,016.72

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Solution

The fourth proportional to 5,173,213.19, 7,139,036.15 and 2,999,016.72 is: 4,138,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,213.19 : 7,139,036.15 = 2,999,016.72 : x
  2. Step 2: Convert to fraction form
    5,173,213.19/7,139,036.15 = 2,999,016.72/x
  3. Step 3: Cross multiply
    5,173,213.19x = 7,139,036.15 × 2,999,016.72
  4. Step 4: Simplify right side
    5,173,213.19x = 21,410,088,763,539.34
  5. Step 5: Solve for x
    x = 21,410,088,763,539.34/5,173,213.19
  6. Step 6: Final answer
    x = 4,138,644.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.