Home / 1,644,157.60-2,463,903.60-1,214,339.20

Finding the Fourth Proportional to 1,644,157.60, 2,463,903.60 and 1,214,339.20

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Solution

The fourth proportional to 1,644,157.60, 2,463,903.60 and 1,214,339.20 is: 1,819,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,157.60 : 2,463,903.60 = 1,214,339.20 : x
  2. Step 2: Convert to fraction form
    1,644,157.60/2,463,903.60 = 1,214,339.20/x
  3. Step 3: Cross multiply
    1,644,157.60x = 2,463,903.60 × 1,214,339.20
  4. Step 4: Simplify right side
    1,644,157.60x = 2,992,014,726,501.12
  5. Step 5: Solve for x
    x = 2,992,014,726,501.12/1,644,157.60
  6. Step 6: Final answer
    x = 1,819,785.84

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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.