Home / 3,120,546.80-4,680,820.20-1,624,444.40

Finding the Fourth Proportional to 3,120,546.80, 4,680,820.20 and 1,624,444.40

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Solution

The fourth proportional to 3,120,546.80, 4,680,820.20 and 1,624,444.40 is: 2,436,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,546.80 : 4,680,820.20 = 1,624,444.40 : x
  2. Step 2: Convert to fraction form
    3,120,546.80/4,680,820.20 = 1,624,444.40/x
  3. Step 3: Cross multiply
    3,120,546.80x = 4,680,820.20 × 1,624,444.40
  4. Step 4: Simplify right side
    3,120,546.80x = 7,603,732,161,296.88
  5. Step 5: Solve for x
    x = 7,603,732,161,296.88/3,120,546.80
  6. Step 6: Final answer
    x = 2,436,666.60

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Similar ratio
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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.