Home / 2,076,805.10-3,114,883.65-657,209.90

Finding the Fourth Proportional to 2,076,805.10, 3,114,883.65 and 657,209.90

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Solution

The fourth proportional to 2,076,805.10, 3,114,883.65 and 657,209.90 is: 985,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,805.10 : 3,114,883.65 = 657,209.90 : x
  2. Step 2: Convert to fraction form
    2,076,805.10/3,114,883.65 = 657,209.90/x
  3. Step 3: Cross multiply
    2,076,805.10x = 3,114,883.65 × 657,209.90
  4. Step 4: Simplify right side
    2,076,805.10x = 2,047,132,372,128.14
  5. Step 5: Solve for x
    x = 2,047,132,372,128.14/2,076,805.10
  6. Step 6: Final answer
    x = 985,712.32

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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.