Home / 2,686,704.40-4,029,970.20-889,670.80

Finding the Fourth Proportional to 2,686,704.40, 4,029,970.20 and 889,670.80

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Solution

The fourth proportional to 2,686,704.40, 4,029,970.20 and 889,670.80 is: 1,334,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,704.40 : 4,029,970.20 = 889,670.80 : x
  2. Step 2: Convert to fraction form
    2,686,704.40/4,029,970.20 = 889,670.80/x
  3. Step 3: Cross multiply
    2,686,704.40x = 4,029,970.20 × 889,670.80
  4. Step 4: Simplify right side
    2,686,704.40x = 3,585,346,811,810.16
  5. Step 5: Solve for x
    x = 3,585,346,811,810.16/2,686,704.40
  6. Step 6: Final answer
    x = 1,334,477.59

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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.