Home / 4,817,129.67-7,225,694.46-1,621,988.28

Finding the Fourth Proportional to 4,817,129.67, 7,225,694.46 and 1,621,988.28

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Solution

The fourth proportional to 4,817,129.67, 7,225,694.46 and 1,621,988.28 is: 2,432,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817,129.67 : 7,225,694.46 = 1,621,988.28 : x
  2. Step 2: Convert to fraction form
    4,817,129.67/7,225,694.46 = 1,621,988.28/x
  3. Step 3: Cross multiply
    4,817,129.67x = 7,225,694.46 × 1,621,988.28
  4. Step 4: Simplify right side
    4,817,129.67x = 11,719,991,728,980.93
  5. Step 5: Solve for x
    x = 11,719,991,728,980.93/4,817,129.67
  6. Step 6: Final answer
    x = 2,432,982.40

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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.