Home / 4,721,907.80-7,082,861.70-1,529,325.20

Finding the Fourth Proportional to 4,721,907.80, 7,082,861.70 and 1,529,325.20

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Solution

The fourth proportional to 4,721,907.80, 7,082,861.70 and 1,529,325.20 is: 2,293,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,907.80 : 7,082,861.70 = 1,529,325.20 : x
  2. Step 2: Convert to fraction form
    4,721,907.80/7,082,861.70 = 1,529,325.20/x
  3. Step 3: Cross multiply
    4,721,907.80x = 7,082,861.70 × 1,529,325.20
  4. Step 4: Simplify right side
    4,721,907.80x = 10,831,998,885,924.84
  5. Step 5: Solve for x
    x = 10,831,998,885,924.84/4,721,907.80
  6. Step 6: Final answer
    x = 2,293,987.80

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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.