Home / 5,353,181.28-7,387,189.92-2,905,739.64

Finding the Fourth Proportional to 5,353,181.28, 7,387,189.92 and 2,905,739.64

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Solution

The fourth proportional to 5,353,181.28, 7,387,189.92 and 2,905,739.64 is: 4,009,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353,181.28 : 7,387,189.92 = 2,905,739.64 : x
  2. Step 2: Convert to fraction form
    5,353,181.28/7,387,189.92 = 2,905,739.64/x
  3. Step 3: Cross multiply
    5,353,181.28x = 7,387,189.92 × 2,905,739.64
  4. Step 4: Simplify right side
    5,353,181.28x = 21,465,250,578,752.43
  5. Step 5: Solve for x
    x = 21,465,250,578,752.43/5,353,181.28
  6. Step 6: Final answer
    x = 4,009,812.01

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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.