Home / 1,816,802.32-2,726,369.88-1,218,439.12

Finding the Fourth Proportional to 1,816,802.32, 2,726,369.88 and 1,218,439.12

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Solution

The fourth proportional to 1,816,802.32, 2,726,369.88 and 1,218,439.12 is: 1,828,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,802.32 : 2,726,369.88 = 1,218,439.12 : x
  2. Step 2: Convert to fraction form
    1,816,802.32/2,726,369.88 = 1,218,439.12/x
  3. Step 3: Cross multiply
    1,816,802.32x = 2,726,369.88 × 1,218,439.12
  4. Step 4: Simplify right side
    1,816,802.32x = 3,321,915,717,381.71
  5. Step 5: Solve for x
    x = 3,321,915,717,381.71/1,816,802.32
  6. Step 6: Final answer
    x = 1,828,440.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.