Home / 2,880,206.80-4,320,310.20-1,811,784.40

Finding the Fourth Proportional to 2,880,206.80, 4,320,310.20 and 1,811,784.40

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Solution

The fourth proportional to 2,880,206.80, 4,320,310.20 and 1,811,784.40 is: 2,717,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,206.80 : 4,320,310.20 = 1,811,784.40 : x
  2. Step 2: Convert to fraction form
    2,880,206.80/4,320,310.20 = 1,811,784.40/x
  3. Step 3: Cross multiply
    2,880,206.80x = 4,320,310.20 × 1,811,784.40
  4. Step 4: Simplify right side
    2,880,206.80x = 7,827,470,623,520.88
  5. Step 5: Solve for x
    x = 7,827,470,623,520.88/2,880,206.80
  6. Step 6: Final answer
    x = 2,717,676.60

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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.