Home / 3,854,428.00-5,319,106.48-2,112,139.87

Finding the Fourth Proportional to 3,854,428.00, 5,319,106.48 and 2,112,139.87

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Solution

The fourth proportional to 3,854,428.00, 5,319,106.48 and 2,112,139.87 is: 2,914,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854,428.00 : 5,319,106.48 = 2,112,139.87 : x
  2. Step 2: Convert to fraction form
    3,854,428.00/5,319,106.48 = 2,112,139.87/x
  3. Step 3: Cross multiply
    3,854,428.00x = 5,319,106.48 × 2,112,139.87
  4. Step 4: Simplify right side
    3,854,428.00x = 11,234,696,858,525.77
  5. Step 5: Solve for x
    x = 11,234,696,858,525.77/3,854,428.00
  6. Step 6: Final answer
    x = 2,914,750.74

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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.