Home / 6,980,017.72-10,470,157.81-2,187,600.88

Finding the Fourth Proportional to 6,980,017.72, 10,470,157.81 and 2,187,600.88

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Solution

The fourth proportional to 6,980,017.72, 10,470,157.81 and 2,187,600.88 is: 3,281,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,017.72 : 10,470,157.81 = 2,187,600.88 : x
  2. Step 2: Convert to fraction form
    6,980,017.72/10,470,157.81 = 2,187,600.88/x
  3. Step 3: Cross multiply
    6,980,017.72x = 10,470,157.81 × 2,187,600.88
  4. Step 4: Simplify right side
    6,980,017.72x = 22,904,526,407,250.47
  5. Step 5: Solve for x
    x = 22,904,526,407,250.47/6,980,017.72
  6. Step 6: Final answer
    x = 3,281,442.45

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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.