Home / 3,178,548.51-4,767,822.75-934,686.51

Finding the Fourth Proportional to 3,178,548.51, 4,767,822.75 and 934,686.51

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Solution

The fourth proportional to 3,178,548.51, 4,767,822.75 and 934,686.51 is: 1,402,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,548.51 : 4,767,822.75 = 934,686.51 : x
  2. Step 2: Convert to fraction form
    3,178,548.51/4,767,822.75 = 934,686.51/x
  3. Step 3: Cross multiply
    3,178,548.51x = 4,767,822.75 × 934,686.51
  4. Step 4: Simplify right side
    3,178,548.51x = 4,456,419,606,496.10
  5. Step 5: Solve for x
    x = 4,456,419,606,496.10/3,178,548.51
  6. Step 6: Final answer
    x = 1,402,029.76

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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.