Home / 5,389,412.80-8,077,099.20-2,190,802.72

Finding the Fourth Proportional to 5,389,412.80, 8,077,099.20 and 2,190,802.72

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Solution

The fourth proportional to 5,389,412.80, 8,077,099.20 and 2,190,802.72 is: 3,283,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,412.80 : 8,077,099.20 = 2,190,802.72 : x
  2. Step 2: Convert to fraction form
    5,389,412.80/8,077,099.20 = 2,190,802.72/x
  3. Step 3: Cross multiply
    5,389,412.80x = 8,077,099.20 × 2,190,802.72
  4. Step 4: Simplify right side
    5,389,412.80x = 17,695,330,897,069.82
  5. Step 5: Solve for x
    x = 17,695,330,897,069.82/5,389,412.80
  6. Step 6: Final answer
    x = 3,283,350.44

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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.