Home / 5,636,949.80-8,455,384.20-1,377,078.80

Finding the Fourth Proportional to 5,636,949.80, 8,455,384.20 and 1,377,078.80

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Solution

The fourth proportional to 5,636,949.80, 8,455,384.20 and 1,377,078.80 is: 2,065,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636,949.80 : 8,455,384.20 = 1,377,078.80 : x
  2. Step 2: Convert to fraction form
    5,636,949.80/8,455,384.20 = 1,377,078.80/x
  3. Step 3: Cross multiply
    5,636,949.80x = 8,455,384.20 × 1,377,078.80
  4. Step 4: Simplify right side
    5,636,949.80x = 11,643,730,327,674.96
  5. Step 5: Solve for x
    x = 11,643,730,327,674.96/5,636,949.80
  6. Step 6: Final answer
    x = 2,065,608.31

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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.