Home / 2,190,576.04-3,021,733.38-1,318,804.36

Finding the Fourth Proportional to 2,190,576.04, 3,021,733.38 and 1,318,804.36

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Solution

The fourth proportional to 2,190,576.04, 3,021,733.38 and 1,318,804.36 is: 1,819,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,576.04 : 3,021,733.38 = 1,318,804.36 : x
  2. Step 2: Convert to fraction form
    2,190,576.04/3,021,733.38 = 1,318,804.36/x
  3. Step 3: Cross multiply
    2,190,576.04x = 3,021,733.38 × 1,318,804.36
  4. Step 4: Simplify right side
    2,190,576.04x = 3,985,075,156,301.54
  5. Step 5: Solve for x
    x = 3,985,075,156,301.54/2,190,576.04
  6. Step 6: Final answer
    x = 1,819,190.52

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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.