Home / 2,075,683.42-2,864,378.13-1,216,815.70

Finding the Fourth Proportional to 2,075,683.42, 2,864,378.13 and 1,216,815.70

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Solution

The fourth proportional to 2,075,683.42, 2,864,378.13 and 1,216,815.70 is: 1,679,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,683.42 : 2,864,378.13 = 1,216,815.70 : x
  2. Step 2: Convert to fraction form
    2,075,683.42/2,864,378.13 = 1,216,815.70/x
  3. Step 3: Cross multiply
    2,075,683.42x = 2,864,378.13 × 1,216,815.70
  4. Step 4: Simplify right side
    2,075,683.42x = 3,485,420,279,320.64
  5. Step 5: Solve for x
    x = 3,485,420,279,320.64/2,075,683.42
  6. Step 6: Final answer
    x = 1,679,167.57

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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.