Home / 3,814,897.70-5,720,189.63-1,255,421.08

Finding the Fourth Proportional to 3,814,897.70, 5,720,189.63 and 1,255,421.08

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Solution

The fourth proportional to 3,814,897.70, 5,720,189.63 and 1,255,421.08 is: 1,882,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814,897.70 : 5,720,189.63 = 1,255,421.08 : x
  2. Step 2: Convert to fraction form
    3,814,897.70/5,720,189.63 = 1,255,421.08/x
  3. Step 3: Cross multiply
    3,814,897.70x = 5,720,189.63 × 1,255,421.08
  4. Step 4: Simplify right side
    3,814,897.70x = 7,181,246,611,796.47
  5. Step 5: Solve for x
    x = 7,181,246,611,796.47/3,814,897.70
  6. Step 6: Final answer
    x = 1,882,421.80

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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.