Home / 4,005,542.78-6,009,259.29-1,309,857.51

Finding the Fourth Proportional to 4,005,542.78, 6,009,259.29 and 1,309,857.51

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Solution

The fourth proportional to 4,005,542.78, 6,009,259.29 and 1,309,857.51 is: 1,965,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,542.78 : 6,009,259.29 = 1,309,857.51 : x
  2. Step 2: Convert to fraction form
    4,005,542.78/6,009,259.29 = 1,309,857.51/x
  3. Step 3: Cross multiply
    4,005,542.78x = 6,009,259.29 × 1,309,857.51
  4. Step 4: Simplify right side
    4,005,542.78x = 7,871,273,403,994.48
  5. Step 5: Solve for x
    x = 7,871,273,403,994.48/4,005,542.78
  6. Step 6: Final answer
    x = 1,965,095.33

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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.