Home / 3,956,130-5,459,459.40-2,145,295.44

Finding the Fourth Proportional to 3,956,130, 5,459,459.40 and 2,145,295.44

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Solution

The fourth proportional to 3,956,130, 5,459,459.40 and 2,145,295.44 is: 2,960,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,130 : 5,459,459.40 = 2,145,295.44 : x
  2. Step 2: Convert to fraction form
    3,956,130/5,459,459.40 = 2,145,295.44/x
  3. Step 3: Cross multiply
    3,956,130x = 5,459,459.40 × 2,145,295.44
  4. Step 4: Simplify right side
    3,956,130x = 11,712,153,355,685.14
  5. Step 5: Solve for x
    x = 11,712,153,355,685.14/3,956,130
  6. Step 6: Final answer
    x = 2,960,507.71

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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.