Home / 2,186,686.92-3,017,632.32-1,219,792.08

Finding the Fourth Proportional to 2,186,686.92, 3,017,632.32 and 1,219,792.08

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Solution

The fourth proportional to 2,186,686.92, 3,017,632.32 and 1,219,792.08 is: 1,683,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,686.92 : 3,017,632.32 = 1,219,792.08 : x
  2. Step 2: Convert to fraction form
    2,186,686.92/3,017,632.32 = 1,219,792.08/x
  3. Step 3: Cross multiply
    2,186,686.92x = 3,017,632.32 × 1,219,792.08
  4. Step 4: Simplify right side
    2,186,686.92x = 3,680,884,004,288.03
  5. Step 5: Solve for x
    x = 3,680,884,004,288.03/2,186,686.92
  6. Step 6: Final answer
    x = 1,683,315.51

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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.