Home / 1,781,889.37-2,458,977.15-1,007,508.25

Finding the Fourth Proportional to 1,781,889.37, 2,458,977.15 and 1,007,508.25

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Solution

The fourth proportional to 1,781,889.37, 2,458,977.15 and 1,007,508.25 is: 1,390,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,889.37 : 2,458,977.15 = 1,007,508.25 : x
  2. Step 2: Convert to fraction form
    1,781,889.37/2,458,977.15 = 1,007,508.25/x
  3. Step 3: Cross multiply
    1,781,889.37x = 2,458,977.15 × 1,007,508.25
  4. Step 4: Simplify right side
    1,781,889.37x = 2,477,439,765,186.49
  5. Step 5: Solve for x
    x = 2,477,439,765,186.49/1,781,889.37
  6. Step 6: Final answer
    x = 1,390,344.32

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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.