Home / 1,738,314.40-2,604,361.20-1,421,053.60

Finding the Fourth Proportional to 1,738,314.40, 2,604,361.20 and 1,421,053.60

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Solution

The fourth proportional to 1,738,314.40, 2,604,361.20 and 1,421,053.60 is: 2,129,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,314.40 : 2,604,361.20 = 1,421,053.60 : x
  2. Step 2: Convert to fraction form
    1,738,314.40/2,604,361.20 = 1,421,053.60/x
  3. Step 3: Cross multiply
    1,738,314.40x = 2,604,361.20 × 1,421,053.60
  4. Step 4: Simplify right side
    1,738,314.40x = 3,700,936,858,960.32
  5. Step 5: Solve for x
    x = 3,700,936,858,960.32/1,738,314.40
  6. Step 6: Final answer
    x = 2,129,037.68

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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.