Home / 2,107,889.94-2,908,718.68-1,190,342.30

Finding the Fourth Proportional to 2,107,889.94, 2,908,718.68 and 1,190,342.30

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Solution

The fourth proportional to 2,107,889.94, 2,908,718.68 and 1,190,342.30 is: 1,642,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,889.94 : 2,908,718.68 = 1,190,342.30 : x
  2. Step 2: Convert to fraction form
    2,107,889.94/2,908,718.68 = 1,190,342.30/x
  3. Step 3: Cross multiply
    2,107,889.94x = 2,908,718.68 × 1,190,342.30
  4. Step 4: Simplify right side
    2,107,889.94x = 3,462,370,866,084.72
  5. Step 5: Solve for x
    x = 3,462,370,866,084.72/2,107,889.94
  6. Step 6: Final answer
    x = 1,642,576.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.