Home / 2,911,324.72-4,017,644.04-1,688,355.34

Finding the Fourth Proportional to 2,911,324.72, 4,017,644.04 and 1,688,355.34

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Solution

The fourth proportional to 2,911,324.72, 4,017,644.04 and 1,688,355.34 is: 2,329,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,324.72 : 4,017,644.04 = 1,688,355.34 : x
  2. Step 2: Convert to fraction form
    2,911,324.72/4,017,644.04 = 1,688,355.34/x
  3. Step 3: Cross multiply
    2,911,324.72x = 4,017,644.04 × 1,688,355.34
  4. Step 4: Simplify right side
    2,911,324.72x = 6,783,210,769,153.17
  5. Step 5: Solve for x
    x = 6,783,210,769,153.17/2,911,324.72
  6. Step 6: Final answer
    x = 2,329,939.61

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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.