Home / 2,920,048.80-4,377,999.60-1,122,237.60

Finding the Fourth Proportional to 2,920,048.80, 4,377,999.60 and 1,122,237.60

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Solution

The fourth proportional to 2,920,048.80, 4,377,999.60 and 1,122,237.60 is: 1,682,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,048.80 : 4,377,999.60 = 1,122,237.60 : x
  2. Step 2: Convert to fraction form
    2,920,048.80/4,377,999.60 = 1,122,237.60/x
  3. Step 3: Cross multiply
    2,920,048.80x = 4,377,999.60 × 1,122,237.60
  4. Step 4: Simplify right side
    2,920,048.80x = 4,913,155,763,904.96
  5. Step 5: Solve for x
    x = 4,913,155,763,904.96/2,920,048.80
  6. Step 6: Final answer
    x = 1,682,559.47

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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.