Home / 5,384,428.80-8,076,643.20-3,872,774.40

Finding the Fourth Proportional to 5,384,428.80, 8,076,643.20 and 3,872,774.40

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Solution

The fourth proportional to 5,384,428.80, 8,076,643.20 and 3,872,774.40 is: 5,809,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,428.80 : 8,076,643.20 = 3,872,774.40 : x
  2. Step 2: Convert to fraction form
    5,384,428.80/8,076,643.20 = 3,872,774.40/x
  3. Step 3: Cross multiply
    5,384,428.80x = 8,076,643.20 × 3,872,774.40
  4. Step 4: Simplify right side
    5,384,428.80x = 31,279,017,022,894.08
  5. Step 5: Solve for x
    x = 31,279,017,022,894.08/5,384,428.80
  6. Step 6: Final answer
    x = 5,809,161.60

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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.