Home / 5,390,048.70-8,086,239.45-1,603,914.30

Finding the Fourth Proportional to 5,390,048.70, 8,086,239.45 and 1,603,914.30

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Solution

The fourth proportional to 5,390,048.70, 8,086,239.45 and 1,603,914.30 is: 2,406,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,048.70 : 8,086,239.45 = 1,603,914.30 : x
  2. Step 2: Convert to fraction form
    5,390,048.70/8,086,239.45 = 1,603,914.30/x
  3. Step 3: Cross multiply
    5,390,048.70x = 8,086,239.45 × 1,603,914.30
  4. Step 4: Simplify right side
    5,390,048.70x = 12,969,635,087,079.13
  5. Step 5: Solve for x
    x = 12,969,635,087,079.13/5,390,048.70
  6. Step 6: Final answer
    x = 2,406,218.54

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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.