Home / 2,880,415.74-3,974,903.91-1,591,379.58

Finding the Fourth Proportional to 2,880,415.74, 3,974,903.91 and 1,591,379.58

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Solution

The fourth proportional to 2,880,415.74, 3,974,903.91 and 1,591,379.58 is: 2,196,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,415.74 : 3,974,903.91 = 1,591,379.58 : x
  2. Step 2: Convert to fraction form
    2,880,415.74/3,974,903.91 = 1,591,379.58/x
  3. Step 3: Cross multiply
    2,880,415.74x = 3,974,903.91 × 1,591,379.58
  4. Step 4: Simplify right side
    2,880,415.74x = 6,325,580,914,836.16
  5. Step 5: Solve for x
    x = 6,325,580,914,836.16/2,880,415.74
  6. Step 6: Final answer
    x = 2,196,065.25

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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.