Home / 3,267,397.20-4,901,095.80-1,920,205.20

Finding the Fourth Proportional to 3,267,397.20, 4,901,095.80 and 1,920,205.20

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Solution

The fourth proportional to 3,267,397.20, 4,901,095.80 and 1,920,205.20 is: 2,880,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267,397.20 : 4,901,095.80 = 1,920,205.20 : x
  2. Step 2: Convert to fraction form
    3,267,397.20/4,901,095.80 = 1,920,205.20/x
  3. Step 3: Cross multiply
    3,267,397.20x = 4,901,095.80 × 1,920,205.20
  4. Step 4: Simplify right side
    3,267,397.20x = 9,411,109,640,858.16
  5. Step 5: Solve for x
    x = 9,411,109,640,858.16/3,267,397.20
  6. Step 6: Final answer
    x = 2,880,307.80

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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.