Home / 5,109,644.70-7,664,605.29-1,271,312.01

Finding the Fourth Proportional to 5,109,644.70, 7,664,605.29 and 1,271,312.01

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Solution

The fourth proportional to 5,109,644.70, 7,664,605.29 and 1,271,312.01 is: 1,907,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,644.70 : 7,664,605.29 = 1,271,312.01 : x
  2. Step 2: Convert to fraction form
    5,109,644.70/7,664,605.29 = 1,271,312.01/x
  3. Step 3: Cross multiply
    5,109,644.70x = 7,664,605.29 × 1,271,312.01
  4. Step 4: Simplify right side
    5,109,644.70x = 9,744,104,757,086.53
  5. Step 5: Solve for x
    x = 9,744,104,757,086.53/5,109,644.70
  6. Step 6: Final answer
    x = 1,907,002.41

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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.