Home / 5,341,211.20-8,011,816.80-2,146,830.40

Finding the Fourth Proportional to 5,341,211.20, 8,011,816.80 and 2,146,830.40

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Solution

The fourth proportional to 5,341,211.20, 8,011,816.80 and 2,146,830.40 is: 3,220,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341,211.20 : 8,011,816.80 = 2,146,830.40 : x
  2. Step 2: Convert to fraction form
    5,341,211.20/8,011,816.80 = 2,146,830.40/x
  3. Step 3: Cross multiply
    5,341,211.20x = 8,011,816.80 × 2,146,830.40
  4. Step 4: Simplify right side
    5,341,211.20x = 17,200,011,865,470.72
  5. Step 5: Solve for x
    x = 17,200,011,865,470.72/5,341,211.20
  6. Step 6: Final answer
    x = 3,220,245.60

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1.5x scale

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.