Home / 3,448,391.86-4,758,779.10-1,998,927.28

Finding the Fourth Proportional to 3,448,391.86, 4,758,779.10 and 1,998,927.28

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Solution

The fourth proportional to 3,448,391.86, 4,758,779.10 and 1,998,927.28 is: 2,758,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,391.86 : 4,758,779.10 = 1,998,927.28 : x
  2. Step 2: Convert to fraction form
    3,448,391.86/4,758,779.10 = 1,998,927.28/x
  3. Step 3: Cross multiply
    3,448,391.86x = 4,758,779.10 × 1,998,927.28
  4. Step 4: Simplify right side
    3,448,391.86x = 9,512,453,362,483.85
  5. Step 5: Solve for x
    x = 9,512,453,362,483.85/3,448,391.86
  6. Step 6: Final answer
    x = 2,758,518.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.