Home / 1,869,128.10-2,805,004.35-804,933.90

Finding the Fourth Proportional to 1,869,128.10, 2,805,004.35 and 804,933.90

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Solution

The fourth proportional to 1,869,128.10, 2,805,004.35 and 804,933.90 is: 1,207,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,128.10 : 2,805,004.35 = 804,933.90 : x
  2. Step 2: Convert to fraction form
    1,869,128.10/2,805,004.35 = 804,933.90/x
  3. Step 3: Cross multiply
    1,869,128.10x = 2,805,004.35 × 804,933.90
  4. Step 4: Simplify right side
    1,869,128.10x = 2,257,843,090,962.47
  5. Step 5: Solve for x
    x = 2,257,843,090,962.47/1,869,128.10
  6. Step 6: Final answer
    x = 1,207,965.94

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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.