Home / 1,942,368.56-2,679,515.88-1,297,946.96

Finding the Fourth Proportional to 1,942,368.56, 2,679,515.88 and 1,297,946.96

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Solution

The fourth proportional to 1,942,368.56, 2,679,515.88 and 1,297,946.96 is: 1,790,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,368.56 : 2,679,515.88 = 1,297,946.96 : x
  2. Step 2: Convert to fraction form
    1,942,368.56/2,679,515.88 = 1,297,946.96/x
  3. Step 3: Cross multiply
    1,942,368.56x = 2,679,515.88 × 1,297,946.96
  4. Step 4: Simplify right side
    1,942,368.56x = 3,477,869,490,717.72
  5. Step 5: Solve for x
    x = 3,477,869,490,717.72/1,942,368.56
  6. Step 6: Final answer
    x = 1,790,530.16

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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.