Home / 5,359,612.80-8,022,830.40-3,109,065.60

Finding the Fourth Proportional to 5,359,612.80, 8,022,830.40 and 3,109,065.60

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Solution

The fourth proportional to 5,359,612.80, 8,022,830.40 and 3,109,065.60 is: 4,653,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359,612.80 : 8,022,830.40 = 3,109,065.60 : x
  2. Step 2: Convert to fraction form
    5,359,612.80/8,022,830.40 = 3,109,065.60/x
  3. Step 3: Cross multiply
    5,359,612.80x = 8,022,830.40 × 3,109,065.60
  4. Step 4: Simplify right side
    5,359,612.80x = 24,943,506,011,274.24
  5. Step 5: Solve for x
    x = 24,943,506,011,274.24/5,359,612.80
  6. Step 6: Final answer
    x = 4,653,975.38

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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.