Home / 2,688,623.90-4,032,935.85-2,079,763.10

Finding the Fourth Proportional to 2,688,623.90, 4,032,935.85 and 2,079,763.10

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Solution

The fourth proportional to 2,688,623.90, 4,032,935.85 and 2,079,763.10 is: 3,119,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,623.90 : 4,032,935.85 = 2,079,763.10 : x
  2. Step 2: Convert to fraction form
    2,688,623.90/4,032,935.85 = 2,079,763.10/x
  3. Step 3: Cross multiply
    2,688,623.90x = 4,032,935.85 × 2,079,763.10
  4. Step 4: Simplify right side
    2,688,623.90x = 8,387,551,165,497.14
  5. Step 5: Solve for x
    x = 8,387,551,165,497.14/2,688,623.90
  6. Step 6: Final answer
    x = 3,119,644.65

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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.