Home / 2,645,749.40-3,969,187.86-1,509,053.72

Finding the Fourth Proportional to 2,645,749.40, 3,969,187.86 and 1,509,053.72

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Solution

The fourth proportional to 2,645,749.40, 3,969,187.86 and 1,509,053.72 is: 2,263,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,749.40 : 3,969,187.86 = 1,509,053.72 : x
  2. Step 2: Convert to fraction form
    2,645,749.40/3,969,187.86 = 1,509,053.72/x
  3. Step 3: Cross multiply
    2,645,749.40x = 3,969,187.86 × 1,509,053.72
  4. Step 4: Simplify right side
    2,645,749.40x = 5,989,717,705,511.84
  5. Step 5: Solve for x
    x = 5,989,717,705,511.84/2,645,749.40
  6. Step 6: Final answer
    x = 2,263,902.13

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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.