Home / 2,201,075.13-3,036,196.80-1,383,985.20

Finding the Fourth Proportional to 2,201,075.13, 3,036,196.80 and 1,383,985.20

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Solution

The fourth proportional to 2,201,075.13, 3,036,196.80 and 1,383,985.20 is: 1,909,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,075.13 : 3,036,196.80 = 1,383,985.20 : x
  2. Step 2: Convert to fraction form
    2,201,075.13/3,036,196.80 = 1,383,985.20/x
  3. Step 3: Cross multiply
    2,201,075.13x = 3,036,196.80 × 1,383,985.20
  4. Step 4: Simplify right side
    2,201,075.13x = 4,202,051,435,487.36
  5. Step 5: Solve for x
    x = 4,202,051,435,487.36/2,201,075.13
  6. Step 6: Final answer
    x = 1,909,090.42

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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.