Home / 2,139,075.39-3,206,452.80-1,340,916.38

Finding the Fourth Proportional to 2,139,075.39, 3,206,452.80 and 1,340,916.38

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Solution

The fourth proportional to 2,139,075.39, 3,206,452.80 and 1,340,916.38 is: 2,010,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,075.39 : 3,206,452.80 = 1,340,916.38 : x
  2. Step 2: Convert to fraction form
    2,139,075.39/3,206,452.80 = 1,340,916.38/x
  3. Step 3: Cross multiply
    2,139,075.39x = 3,206,452.80 × 1,340,916.38
  4. Step 4: Simplify right side
    2,139,075.39x = 4,299,585,065,184.60
  5. Step 5: Solve for x
    x = 4,299,585,065,184.60/2,139,075.39
  6. Step 6: Final answer
    x = 2,010,020.35

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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.