Home / 5,398,131.20-8,097,196.80-1,409,043.20

Finding the Fourth Proportional to 5,398,131.20, 8,097,196.80 and 1,409,043.20

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Solution

The fourth proportional to 5,398,131.20, 8,097,196.80 and 1,409,043.20 is: 2,113,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,131.20 : 8,097,196.80 = 1,409,043.20 : x
  2. Step 2: Convert to fraction form
    5,398,131.20/8,097,196.80 = 1,409,043.20/x
  3. Step 3: Cross multiply
    5,398,131.20x = 8,097,196.80 × 1,409,043.20
  4. Step 4: Simplify right side
    5,398,131.20x = 11,409,300,090,101.76
  5. Step 5: Solve for x
    x = 11,409,300,090,101.76/5,398,131.20
  6. Step 6: Final answer
    x = 2,113,564.80

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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.