Home / 5,187,561.78-7,777,333.44-1,949,030.91

Finding the Fourth Proportional to 5,187,561.78, 7,777,333.44 and 1,949,030.91

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Solution

The fourth proportional to 5,187,561.78, 7,777,333.44 and 1,949,030.91 is: 2,922,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,561.78 : 7,777,333.44 = 1,949,030.91 : x
  2. Step 2: Convert to fraction form
    5,187,561.78/7,777,333.44 = 1,949,030.91/x
  3. Step 3: Cross multiply
    5,187,561.78x = 7,777,333.44 × 1,949,030.91
  4. Step 4: Simplify right side
    5,187,561.78x = 15,158,263,271,936.63
  5. Step 5: Solve for x
    x = 15,158,263,271,936.63/5,187,561.78
  6. Step 6: Final answer
    x = 2,922,040.05

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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.