Home / 2,931,043.20-4,397,191.74-909,243.24

Finding the Fourth Proportional to 2,931,043.20, 4,397,191.74 and 909,243.24

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Solution

The fourth proportional to 2,931,043.20, 4,397,191.74 and 909,243.24 is: 1,364,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,043.20 : 4,397,191.74 = 909,243.24 : x
  2. Step 2: Convert to fraction form
    2,931,043.20/4,397,191.74 = 909,243.24/x
  3. Step 3: Cross multiply
    2,931,043.20x = 4,397,191.74 × 909,243.24
  4. Step 4: Simplify right side
    2,931,043.20x = 3,998,116,864,578.84
  5. Step 5: Solve for x
    x = 3,998,116,864,578.84/2,931,043.20
  6. Step 6: Final answer
    x = 1,364,059.34

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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.