Home / 3,218,359.80-4,827,539.70-974,609.40

Finding the Fourth Proportional to 3,218,359.80, 4,827,539.70 and 974,609.40

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Solution

The fourth proportional to 3,218,359.80, 4,827,539.70 and 974,609.40 is: 1,461,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,359.80 : 4,827,539.70 = 974,609.40 : x
  2. Step 2: Convert to fraction form
    3,218,359.80/4,827,539.70 = 974,609.40/x
  3. Step 3: Cross multiply
    3,218,359.80x = 4,827,539.70 × 974,609.40
  4. Step 4: Simplify right side
    3,218,359.80x = 4,704,965,570,493.18
  5. Step 5: Solve for x
    x = 4,704,965,570,493.18/3,218,359.80
  6. Step 6: Final answer
    x = 1,461,914.10

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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.