Home / 3,438,940.04-4,745,852.34-1,911,111.56

Finding the Fourth Proportional to 3,438,940.04, 4,745,852.34 and 1,911,111.56

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Solution

The fourth proportional to 3,438,940.04, 4,745,852.34 and 1,911,111.56 is: 2,637,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,940.04 : 4,745,852.34 = 1,911,111.56 : x
  2. Step 2: Convert to fraction form
    3,438,940.04/4,745,852.34 = 1,911,111.56/x
  3. Step 3: Cross multiply
    3,438,940.04x = 4,745,852.34 × 1,911,111.56
  4. Step 4: Simplify right side
    3,438,940.04x = 9,069,853,269,027.05
  5. Step 5: Solve for x
    x = 9,069,853,269,027.05/3,438,940.04
  6. Step 6: Final answer
    x = 2,637,397.91

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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.