Home / 5,636,947.80-8,455,381.20-1,377,076.80

Finding the Fourth Proportional to 5,636,947.80, 8,455,381.20 and 1,377,076.80

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Solution

The fourth proportional to 5,636,947.80, 8,455,381.20 and 1,377,076.80 is: 2,065,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636,947.80 : 8,455,381.20 = 1,377,076.80 : x
  2. Step 2: Convert to fraction form
    5,636,947.80/8,455,381.20 = 1,377,076.80/x
  3. Step 3: Cross multiply
    5,636,947.80x = 8,455,381.20 × 1,377,076.80
  4. Step 4: Simplify right side
    5,636,947.80x = 11,643,709,285,676.16
  5. Step 5: Solve for x
    x = 11,643,709,285,676.16/5,636,947.80
  6. Step 6: Final answer
    x = 2,065,605.31

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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.