Home / 6,476,429.60-9,714,644.40-1,988,122.40

Finding the Fourth Proportional to 6,476,429.60, 9,714,644.40 and 1,988,122.40

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Solution

The fourth proportional to 6,476,429.60, 9,714,644.40 and 1,988,122.40 is: 2,982,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,429.60 : 9,714,644.40 = 1,988,122.40 : x
  2. Step 2: Convert to fraction form
    6,476,429.60/9,714,644.40 = 1,988,122.40/x
  3. Step 3: Cross multiply
    6,476,429.60x = 9,714,644.40 × 1,988,122.40
  4. Step 4: Simplify right side
    6,476,429.60x = 19,313,902,139,674.56
  5. Step 5: Solve for x
    x = 19,313,902,139,674.56/6,476,429.60
  6. Step 6: Final answer
    x = 2,982,183.60

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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.