Home / 3,218,663.20-4,827,994.80-974,801.20

Finding the Fourth Proportional to 3,218,663.20, 4,827,994.80 and 974,801.20

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Solution

The fourth proportional to 3,218,663.20, 4,827,994.80 and 974,801.20 is: 1,462,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,663.20 : 4,827,994.80 = 974,801.20 : x
  2. Step 2: Convert to fraction form
    3,218,663.20/4,827,994.80 = 974,801.20/x
  3. Step 3: Cross multiply
    3,218,663.20x = 4,827,994.80 × 974,801.20
  4. Step 4: Simplify right side
    3,218,663.20x = 4,706,335,124,633.76
  5. Step 5: Solve for x
    x = 4,706,335,124,633.76/3,218,663.20
  6. Step 6: Final answer
    x = 1,462,201.80

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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.