Home / 1,413,913.80-2,117,760.30-1,382,809.80

Finding the Fourth Proportional to 1,413,913.80, 2,117,760.30 and 1,382,809.80

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Solution

The fourth proportional to 1,413,913.80, 2,117,760.30 and 1,382,809.80 is: 2,071,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,913.80 : 2,117,760.30 = 1,382,809.80 : x
  2. Step 2: Convert to fraction form
    1,413,913.80/2,117,760.30 = 1,382,809.80/x
  3. Step 3: Cross multiply
    1,413,913.80x = 2,117,760.30 × 1,382,809.80
  4. Step 4: Simplify right side
    1,413,913.80x = 2,928,459,696,890.94
  5. Step 5: Solve for x
    x = 2,928,459,696,890.94/1,413,913.80
  6. Step 6: Final answer
    x = 2,071,172.72

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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.