Home / 3,312,415.20-4,971,538.80-1,962,890.40

Finding the Fourth Proportional to 3,312,415.20, 4,971,538.80 and 1,962,890.40

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Solution

The fourth proportional to 3,312,415.20, 4,971,538.80 and 1,962,890.40 is: 2,946,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,415.20 : 4,971,538.80 = 1,962,890.40 : x
  2. Step 2: Convert to fraction form
    3,312,415.20/4,971,538.80 = 1,962,890.40/x
  3. Step 3: Cross multiply
    3,312,415.20x = 4,971,538.80 × 1,962,890.40
  4. Step 4: Simplify right side
    3,312,415.20x = 9,758,585,783,747.52
  5. Step 5: Solve for x
    x = 9,758,585,783,747.52/3,312,415.20
  6. Step 6: Final answer
    x = 2,946,063.58

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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.