Home / 2,997,866.36-4,138,406.52-1,911,598.04

Finding the Fourth Proportional to 2,997,866.36, 4,138,406.52 and 1,911,598.04

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Solution

The fourth proportional to 2,997,866.36, 4,138,406.52 and 1,911,598.04 is: 2,638,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,866.36 : 4,138,406.52 = 1,911,598.04 : x
  2. Step 2: Convert to fraction form
    2,997,866.36/4,138,406.52 = 1,911,598.04/x
  3. Step 3: Cross multiply
    2,997,866.36x = 4,138,406.52 × 1,911,598.04
  4. Step 4: Simplify right side
    2,997,866.36x = 7,910,969,792,355.22
  5. Step 5: Solve for x
    x = 7,910,969,792,355.22/2,997,866.36
  6. Step 6: Final answer
    x = 2,638,866.73

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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.