Home / 3,218,584.10-4,828,459.35-1,617,116.90

Finding the Fourth Proportional to 3,218,584.10, 4,828,459.35 and 1,617,116.90

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Solution

The fourth proportional to 3,218,584.10, 4,828,459.35 and 1,617,116.90 is: 2,425,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,584.10 : 4,828,459.35 = 1,617,116.90 : x
  2. Step 2: Convert to fraction form
    3,218,584.10/4,828,459.35 = 1,617,116.90/x
  3. Step 3: Cross multiply
    3,218,584.10x = 4,828,459.35 × 1,617,116.90
  4. Step 4: Simplify right side
    3,218,584.10x = 7,808,183,215,848.01
  5. Step 5: Solve for x
    x = 7,808,183,215,848.01/3,218,584.10
  6. Step 6: Final answer
    x = 2,425,968.37

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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.