Home / 2,911,323.72-4,017,642.66-1,688,354.34

Finding the Fourth Proportional to 2,911,323.72, 4,017,642.66 and 1,688,354.34

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Solution

The fourth proportional to 2,911,323.72, 4,017,642.66 and 1,688,354.34 is: 2,329,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,323.72 : 4,017,642.66 = 1,688,354.34 : x
  2. Step 2: Convert to fraction form
    2,911,323.72/4,017,642.66 = 1,688,354.34/x
  3. Step 3: Cross multiply
    2,911,323.72x = 4,017,642.66 × 1,688,354.34
  4. Step 4: Simplify right side
    2,911,323.72x = 6,783,204,412,190.68
  5. Step 5: Solve for x
    x = 6,783,204,412,190.68/2,911,323.72
  6. Step 6: Final answer
    x = 2,329,938.23

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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.