Home / 2,980,689.30-4,474,000.35-1,383,614.10

Finding the Fourth Proportional to 2,980,689.30, 4,474,000.35 and 1,383,614.10

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Solution

The fourth proportional to 2,980,689.30, 4,474,000.35 and 1,383,614.10 is: 2,076,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,689.30 : 4,474,000.35 = 1,383,614.10 : x
  2. Step 2: Convert to fraction form
    2,980,689.30/4,474,000.35 = 1,383,614.10/x
  3. Step 3: Cross multiply
    2,980,689.30x = 4,474,000.35 × 1,383,614.10
  4. Step 4: Simplify right side
    2,980,689.30x = 6,190,289,967,664.94
  5. Step 5: Solve for x
    x = 6,190,289,967,664.94/2,980,689.30
  6. Step 6: Final answer
    x = 2,076,798.13

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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.