Home / 1,461,684.80-2,189,416.80-1,212,852.80

Finding the Fourth Proportional to 1,461,684.80, 2,189,416.80 and 1,212,852.80

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Solution

The fourth proportional to 1,461,684.80, 2,189,416.80 and 1,212,852.80 is: 1,816,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,684.80 : 2,189,416.80 = 1,212,852.80 : x
  2. Step 2: Convert to fraction form
    1,461,684.80/2,189,416.80 = 1,212,852.80/x
  3. Step 3: Cross multiply
    1,461,684.80x = 2,189,416.80 × 1,212,852.80
  4. Step 4: Simplify right side
    1,461,684.80x = 2,655,440,296,247.04
  5. Step 5: Solve for x
    x = 2,655,440,296,247.04/1,461,684.80
  6. Step 6: Final answer
    x = 1,816,698.30

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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.