Home / 4,919,038.20-7,379,594.10-2,077,687.80

Finding the Fourth Proportional to 4,919,038.20, 7,379,594.10 and 2,077,687.80

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Solution

The fourth proportional to 4,919,038.20, 7,379,594.10 and 2,077,687.80 is: 3,116,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,038.20 : 7,379,594.10 = 2,077,687.80 : x
  2. Step 2: Convert to fraction form
    4,919,038.20/7,379,594.10 = 2,077,687.80/x
  3. Step 3: Cross multiply
    4,919,038.20x = 7,379,594.10 × 2,077,687.80
  4. Step 4: Simplify right side
    4,919,038.20x = 15,332,492,630,521.98
  5. Step 5: Solve for x
    x = 15,332,492,630,521.98/4,919,038.20
  6. Step 6: Final answer
    x = 3,116,969.62

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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.