Home / 2,156,012.92-2,975,433.78-1,238,529.16

Finding the Fourth Proportional to 2,156,012.92, 2,975,433.78 and 1,238,529.16

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Solution

The fourth proportional to 2,156,012.92, 2,975,433.78 and 1,238,529.16 is: 1,709,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,012.92 : 2,975,433.78 = 1,238,529.16 : x
  2. Step 2: Convert to fraction form
    2,156,012.92/2,975,433.78 = 1,238,529.16/x
  3. Step 3: Cross multiply
    2,156,012.92x = 2,975,433.78 × 1,238,529.16
  4. Step 4: Simplify right side
    2,156,012.92x = 3,685,161,500,179.02
  5. Step 5: Solve for x
    x = 3,685,161,500,179.02/2,156,012.92
  6. Step 6: Final answer
    x = 1,709,248.34

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1.5x scale

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.