Home / 2,678,855.10-4,018,282.65-684,311.10

Finding the Fourth Proportional to 2,678,855.10, 4,018,282.65 and 684,311.10

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Solution

The fourth proportional to 2,678,855.10, 4,018,282.65 and 684,311.10 is: 1,026,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,855.10 : 4,018,282.65 = 684,311.10 : x
  2. Step 2: Convert to fraction form
    2,678,855.10/4,018,282.65 = 684,311.10/x
  3. Step 3: Cross multiply
    2,678,855.10x = 4,018,282.65 × 684,311.10
  4. Step 4: Simplify right side
    2,678,855.10x = 2,749,755,420,332.42
  5. Step 5: Solve for x
    x = 2,749,755,420,332.42/2,678,855.10
  6. Step 6: Final answer
    x = 1,026,466.65

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Similar ratio
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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.