Home / 1,962,395.40-2,708,130.06-1,188,015.96

Finding the Fourth Proportional to 1,962,395.40, 2,708,130.06 and 1,188,015.96

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Solution

The fourth proportional to 1,962,395.40, 2,708,130.06 and 1,188,015.96 is: 1,639,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,395.40 : 2,708,130.06 = 1,188,015.96 : x
  2. Step 2: Convert to fraction form
    1,962,395.40/2,708,130.06 = 1,188,015.96/x
  3. Step 3: Cross multiply
    1,962,395.40x = 2,708,130.06 × 1,188,015.96
  4. Step 4: Simplify right side
    1,962,395.40x = 3,217,301,733,035.76
  5. Step 5: Solve for x
    x = 3,217,301,733,035.76/1,962,395.40
  6. Step 6: Final answer
    x = 1,639,476.80

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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.