Home / 2,076,328.40-3,119,158.20-1,997,013.20

Finding the Fourth Proportional to 2,076,328.40, 3,119,158.20 and 1,997,013.20

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Solution

The fourth proportional to 2,076,328.40, 3,119,158.20 and 1,997,013.20 is: 3,000,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,328.40 : 3,119,158.20 = 1,997,013.20 : x
  2. Step 2: Convert to fraction form
    2,076,328.40/3,119,158.20 = 1,997,013.20/x
  3. Step 3: Cross multiply
    2,076,328.40x = 3,119,158.20 × 1,997,013.20
  4. Step 4: Simplify right side
    2,076,328.40x = 6,229,000,098,288.24
  5. Step 5: Solve for x
    x = 6,229,000,098,288.24/2,076,328.40
  6. Step 6: Final answer
    x = 3,000,007.18

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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.