Home / 1,828,870.62-2,524,716.63-1,218,039.90

Finding the Fourth Proportional to 1,828,870.62, 2,524,716.63 and 1,218,039.90

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Solution

The fourth proportional to 1,828,870.62, 2,524,716.63 and 1,218,039.90 is: 1,681,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,870.62 : 2,524,716.63 = 1,218,039.90 : x
  2. Step 2: Convert to fraction form
    1,828,870.62/2,524,716.63 = 1,218,039.90/x
  3. Step 3: Cross multiply
    1,828,870.62x = 2,524,716.63 × 1,218,039.90
  4. Step 4: Simplify right side
    1,828,870.62x = 3,075,205,591,533.54
  5. Step 5: Solve for x
    x = 3,075,205,591,533.54/1,828,870.62
  6. Step 6: Final answer
    x = 1,681,477.93

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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.