Home / 1,739,942.78-2,611,823.22-1,382,411.40

Finding the Fourth Proportional to 1,739,942.78, 2,611,823.22 and 1,382,411.40

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Solution

The fourth proportional to 1,739,942.78, 2,611,823.22 and 1,382,411.40 is: 2,075,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,942.78 : 2,611,823.22 = 1,382,411.40 : x
  2. Step 2: Convert to fraction form
    1,739,942.78/2,611,823.22 = 1,382,411.40/x
  3. Step 3: Cross multiply
    1,739,942.78x = 2,611,823.22 × 1,382,411.40
  4. Step 4: Simplify right side
    1,739,942.78x = 3,610,614,194,112.71
  5. Step 5: Solve for x
    x = 3,610,614,194,112.71/1,739,942.78
  6. Step 6: Final answer
    x = 2,075,133.88

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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.