Home / 1,872,071.10-2,805,850.80-859,796.28

Finding the Fourth Proportional to 1,872,071.10, 2,805,850.80 and 859,796.28

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Solution

The fourth proportional to 1,872,071.10, 2,805,850.80 and 859,796.28 is: 1,288,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,071.10 : 2,805,850.80 = 859,796.28 : x
  2. Step 2: Convert to fraction form
    1,872,071.10/2,805,850.80 = 859,796.28/x
  3. Step 3: Cross multiply
    1,872,071.10x = 2,805,850.80 × 859,796.28
  4. Step 4: Simplify right side
    1,872,071.10x = 2,412,460,080,075.02
  5. Step 5: Solve for x
    x = 2,412,460,080,075.02/1,872,071.10
  6. Step 6: Final answer
    x = 1,288,658.36

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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.