Home / 2,186,682.55-3,017,626.29-1,219,787.71

Finding the Fourth Proportional to 2,186,682.55, 3,017,626.29 and 1,219,787.71

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Solution

The fourth proportional to 2,186,682.55, 3,017,626.29 and 1,219,787.71 is: 1,683,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,682.55 : 3,017,626.29 = 1,219,787.71 : x
  2. Step 2: Convert to fraction form
    2,186,682.55/3,017,626.29 = 1,219,787.71/x
  3. Step 3: Cross multiply
    2,186,682.55x = 3,017,626.29 × 1,219,787.71
  4. Step 4: Simplify right side
    2,186,682.55x = 3,680,863,440,727.83
  5. Step 5: Solve for x
    x = 3,680,863,440,727.83/2,186,682.55
  6. Step 6: Final answer
    x = 1,683,309.47

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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.