Home / 3,218,813.10-4,828,219.65-2,699,181.90

Finding the Fourth Proportional to 3,218,813.10, 4,828,219.65 and 2,699,181.90

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Solution

The fourth proportional to 3,218,813.10, 4,828,219.65 and 2,699,181.90 is: 4,048,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,813.10 : 4,828,219.65 = 2,699,181.90 : x
  2. Step 2: Convert to fraction form
    3,218,813.10/4,828,219.65 = 2,699,181.90/x
  3. Step 3: Cross multiply
    3,218,813.10x = 4,828,219.65 × 2,699,181.90
  4. Step 4: Simplify right side
    3,218,813.10x = 13,032,243,088,504.34
  5. Step 5: Solve for x
    x = 13,032,243,088,504.34/3,218,813.10
  6. Step 6: Final answer
    x = 4,048,772.85

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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.