Home / 1,588,897.80-2,388,012.30-1,383,611.40

Finding the Fourth Proportional to 1,588,897.80, 2,388,012.30 and 1,383,611.40

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Solution

The fourth proportional to 1,588,897.80, 2,388,012.30 and 1,383,611.40 is: 2,079,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,897.80 : 2,388,012.30 = 1,383,611.40 : x
  2. Step 2: Convert to fraction form
    1,588,897.80/2,388,012.30 = 1,383,611.40/x
  3. Step 3: Cross multiply
    1,588,897.80x = 2,388,012.30 × 1,383,611.40
  4. Step 4: Simplify right side
    1,588,897.80x = 3,304,081,041,620.22
  5. Step 5: Solve for x
    x = 3,304,081,041,620.22/1,588,897.80
  6. Step 6: Final answer
    x = 2,079,479.90

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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.