Home / 5,213,181.03-7,194,120.35-2,921,386.47

Finding the Fourth Proportional to 5,213,181.03, 7,194,120.35 and 2,921,386.47

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Solution

The fourth proportional to 5,213,181.03, 7,194,120.35 and 2,921,386.47 is: 4,031,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,181.03 : 7,194,120.35 = 2,921,386.47 : x
  2. Step 2: Convert to fraction form
    5,213,181.03/7,194,120.35 = 2,921,386.47/x
  3. Step 3: Cross multiply
    5,213,181.03x = 7,194,120.35 × 2,921,386.47
  4. Step 4: Simplify right side
    5,213,181.03x = 21,016,805,828,889.58
  5. Step 5: Solve for x
    x = 21,016,805,828,889.58/5,213,181.03
  6. Step 6: Final answer
    x = 4,031,474.40

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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.