Home / 6,721,802.72-9,276,884.96-3,821,631.20

Finding the Fourth Proportional to 6,721,802.72, 9,276,884.96 and 3,821,631.20

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Solution

The fourth proportional to 6,721,802.72, 9,276,884.96 and 3,821,631.20 is: 5,274,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,802.72 : 9,276,884.96 = 3,821,631.20 : x
  2. Step 2: Convert to fraction form
    6,721,802.72/9,276,884.96 = 3,821,631.20/x
  3. Step 3: Cross multiply
    6,721,802.72x = 9,276,884.96 × 3,821,631.20
  4. Step 4: Simplify right side
    6,721,802.72x = 35,452,833,001,946.76
  5. Step 5: Solve for x
    x = 35,452,833,001,946.76/6,721,802.72
  6. Step 6: Final answer
    x = 5,274,304.30

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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.