Home / 5,430,028.80-8,142,969.60-1,642,252.80

Finding the Fourth Proportional to 5,430,028.80, 8,142,969.60 and 1,642,252.80

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Solution

The fourth proportional to 5,430,028.80, 8,142,969.60 and 1,642,252.80 is: 2,462,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,028.80 : 8,142,969.60 = 1,642,252.80 : x
  2. Step 2: Convert to fraction form
    5,430,028.80/8,142,969.60 = 1,642,252.80/x
  3. Step 3: Cross multiply
    5,430,028.80x = 8,142,969.60 × 1,642,252.80
  4. Step 4: Simplify right side
    5,430,028.80x = 13,372,814,625,914.88
  5. Step 5: Solve for x
    x = 13,372,814,625,914.88/5,430,028.80
  6. Step 6: Final answer
    x = 2,462,752.06

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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.