Home / 3,280,653.80-4,920,980.70-2,430,348.20

Finding the Fourth Proportional to 3,280,653.80, 4,920,980.70 and 2,430,348.20

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Solution

The fourth proportional to 3,280,653.80, 4,920,980.70 and 2,430,348.20 is: 3,645,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,653.80 : 4,920,980.70 = 2,430,348.20 : x
  2. Step 2: Convert to fraction form
    3,280,653.80/4,920,980.70 = 2,430,348.20/x
  3. Step 3: Cross multiply
    3,280,653.80x = 4,920,980.70 × 2,430,348.20
  4. Step 4: Simplify right side
    3,280,653.80x = 11,959,696,586,479.74
  5. Step 5: Solve for x
    x = 11,959,696,586,479.74/3,280,653.80
  6. Step 6: Final answer
    x = 3,645,522.30

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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.