Home / 1,939,869.32-2,677,102.74-1,080,429.80

Finding the Fourth Proportional to 1,939,869.32, 2,677,102.74 and 1,080,429.80

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Solution

The fourth proportional to 1,939,869.32, 2,677,102.74 and 1,080,429.80 is: 1,491,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,869.32 : 2,677,102.74 = 1,080,429.80 : x
  2. Step 2: Convert to fraction form
    1,939,869.32/2,677,102.74 = 1,080,429.80/x
  3. Step 3: Cross multiply
    1,939,869.32x = 2,677,102.74 × 1,080,429.80
  4. Step 4: Simplify right side
    1,939,869.32x = 2,892,421,577,957.65
  5. Step 5: Solve for x
    x = 2,892,421,577,957.65/1,939,869.32
  6. Step 6: Final answer
    x = 1,491,039.40

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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.