Home / 4,678,701.40-7,012,608.90-2,154,611.80

Finding the Fourth Proportional to 4,678,701.40, 7,012,608.90 and 2,154,611.80

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Solution

The fourth proportional to 4,678,701.40, 7,012,608.90 and 2,154,611.80 is: 3,229,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,701.40 : 7,012,608.90 = 2,154,611.80 : x
  2. Step 2: Convert to fraction form
    4,678,701.40/7,012,608.90 = 2,154,611.80/x
  3. Step 3: Cross multiply
    4,678,701.40x = 7,012,608.90 × 2,154,611.80
  4. Step 4: Simplify right side
    4,678,701.40x = 15,109,449,884,725.02
  5. Step 5: Solve for x
    x = 15,109,449,884,725.02/4,678,701.40
  6. Step 6: Final answer
    x = 3,229,411.03

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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.