Home / 3,218,144.60-4,827,864.90-943,664.60

Finding the Fourth Proportional to 3,218,144.60, 4,827,864.90 and 943,664.60

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Solution

The fourth proportional to 3,218,144.60, 4,827,864.90 and 943,664.60 is: 1,415,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,144.60 : 4,827,864.90 = 943,664.60 : x
  2. Step 2: Convert to fraction form
    3,218,144.60/4,827,864.90 = 943,664.60/x
  3. Step 3: Cross multiply
    3,218,144.60x = 4,827,864.90 × 943,664.60
  4. Step 4: Simplify right side
    3,218,144.60x = 4,555,885,199,712.54
  5. Step 5: Solve for x
    x = 4,555,885,199,712.54/3,218,144.60
  6. Step 6: Final answer
    x = 1,415,686.91

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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.