Home / 2,623,655.56-3,931,338.30-1,980,917.32

Finding the Fourth Proportional to 2,623,655.56, 3,931,338.30 and 1,980,917.32

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Solution

The fourth proportional to 2,623,655.56, 3,931,338.30 and 1,980,917.32 is: 2,968,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623,655.56 : 3,931,338.30 = 1,980,917.32 : x
  2. Step 2: Convert to fraction form
    2,623,655.56/3,931,338.30 = 1,980,917.32/x
  3. Step 3: Cross multiply
    2,623,655.56x = 3,931,338.30 × 1,980,917.32
  4. Step 4: Simplify right side
    2,623,655.56x = 7,787,656,129,249.36
  5. Step 5: Solve for x
    x = 7,787,656,129,249.36/2,623,655.56
  6. Step 6: Final answer
    x = 2,968,246.38

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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.