Home / 1,903,691.43-2,854,116.81-1,145,355.26

Finding the Fourth Proportional to 1,903,691.43, 2,854,116.81 and 1,145,355.26

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Solution

The fourth proportional to 1,903,691.43, 2,854,116.81 and 1,145,355.26 is: 1,717,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,691.43 : 2,854,116.81 = 1,145,355.26 : x
  2. Step 2: Convert to fraction form
    1,903,691.43/2,854,116.81 = 1,145,355.26/x
  3. Step 3: Cross multiply
    1,903,691.43x = 2,854,116.81 × 1,145,355.26
  4. Step 4: Simplify right side
    1,903,691.43x = 3,268,977,686,717.34
  5. Step 5: Solve for x
    x = 3,268,977,686,717.34/1,903,691.43
  6. Step 6: Final answer
    x = 1,717,178.34

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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.