Home / 2,768,280.80-4,153,004.40-1,170,021.20

Finding the Fourth Proportional to 2,768,280.80, 4,153,004.40 and 1,170,021.20

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Solution

The fourth proportional to 2,768,280.80, 4,153,004.40 and 1,170,021.20 is: 1,755,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,280.80 : 4,153,004.40 = 1,170,021.20 : x
  2. Step 2: Convert to fraction form
    2,768,280.80/4,153,004.40 = 1,170,021.20/x
  3. Step 3: Cross multiply
    2,768,280.80x = 4,153,004.40 × 1,170,021.20
  4. Step 4: Simplify right side
    2,768,280.80x = 4,859,103,191,693.28
  5. Step 5: Solve for x
    x = 4,859,103,191,693.28/2,768,280.80
  6. Step 6: Final answer
    x = 1,755,278.29

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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.