Home / 1,739,428.80-2,609,143.20-1,490,596.80

Finding the Fourth Proportional to 1,739,428.80, 2,609,143.20 and 1,490,596.80

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Solution

The fourth proportional to 1,739,428.80, 2,609,143.20 and 1,490,596.80 is: 2,235,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,428.80 : 2,609,143.20 = 1,490,596.80 : x
  2. Step 2: Convert to fraction form
    1,739,428.80/2,609,143.20 = 1,490,596.80/x
  3. Step 3: Cross multiply
    1,739,428.80x = 2,609,143.20 × 1,490,596.80
  4. Step 4: Simplify right side
    1,739,428.80x = 3,889,180,504,661.76
  5. Step 5: Solve for x
    x = 3,889,180,504,661.76/1,739,428.80
  6. Step 6: Final answer
    x = 2,235,895.20

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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.