Home / 1,899,354.80-2,621,109.96-1,039,915.28

Finding the Fourth Proportional to 1,899,354.80, 2,621,109.96 and 1,039,915.28

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Solution

The fourth proportional to 1,899,354.80, 2,621,109.96 and 1,039,915.28 is: 1,435,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,354.80 : 2,621,109.96 = 1,039,915.28 : x
  2. Step 2: Convert to fraction form
    1,899,354.80/2,621,109.96 = 1,039,915.28/x
  3. Step 3: Cross multiply
    1,899,354.80x = 2,621,109.96 × 1,039,915.28
  4. Step 4: Simplify right side
    1,899,354.80x = 2,725,732,297,964.19
  5. Step 5: Solve for x
    x = 2,725,732,297,964.19/1,899,354.80
  6. Step 6: Final answer
    x = 1,435,083.27

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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.