Home / 2,985,424.36-4,478,836.38-1,188,417.64

Finding the Fourth Proportional to 2,985,424.36, 4,478,836.38 and 1,188,417.64

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Solution

The fourth proportional to 2,985,424.36, 4,478,836.38 and 1,188,417.64 is: 1,782,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,424.36 : 4,478,836.38 = 1,188,417.64 : x
  2. Step 2: Convert to fraction form
    2,985,424.36/4,478,836.38 = 1,188,417.64/x
  3. Step 3: Cross multiply
    2,985,424.36x = 4,478,836.38 × 1,188,417.64
  4. Step 4: Simplify right side
    2,985,424.36x = 5,322,728,160,665.74
  5. Step 5: Solve for x
    x = 5,322,728,160,665.74/2,985,424.36
  6. Step 6: Final answer
    x = 1,782,905.05

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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.