Home / 2,911,324.13-4,017,643.22-1,688,354.75

Finding the Fourth Proportional to 2,911,324.13, 4,017,643.22 and 1,688,354.75

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Solution

The fourth proportional to 2,911,324.13, 4,017,643.22 and 1,688,354.75 is: 2,329,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,324.13 : 4,017,643.22 = 1,688,354.75 : x
  2. Step 2: Convert to fraction form
    2,911,324.13/4,017,643.22 = 1,688,354.75/x
  3. Step 3: Cross multiply
    2,911,324.13x = 4,017,643.22 × 1,688,354.75
  4. Step 4: Simplify right side
    2,911,324.13x = 6,783,206,998,424.97
  5. Step 5: Solve for x
    x = 6,783,206,998,424.97/2,911,324.13
  6. Step 6: Final answer
    x = 2,329,938.79

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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.