Home / 2,405,000.87-3,318,901.63-1,317,311.37

Finding the Fourth Proportional to 2,405,000.87, 3,318,901.63 and 1,317,311.37

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Solution

The fourth proportional to 2,405,000.87, 3,318,901.63 and 1,317,311.37 is: 1,817,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,000.87 : 3,318,901.63 = 1,317,311.37 : x
  2. Step 2: Convert to fraction form
    2,405,000.87/3,318,901.63 = 1,317,311.37/x
  3. Step 3: Cross multiply
    2,405,000.87x = 3,318,901.63 × 1,317,311.37
  4. Step 4: Simplify right side
    2,405,000.87x = 4,372,026,849,817.26
  5. Step 5: Solve for x
    x = 4,372,026,849,817.26/2,405,000.87
  6. Step 6: Final answer
    x = 1,817,889.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.