Home / 3,318,739.80-4,579,947.08-1,868,487.57

Finding the Fourth Proportional to 3,318,739.80, 4,579,947.08 and 1,868,487.57

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Solution

The fourth proportional to 3,318,739.80, 4,579,947.08 and 1,868,487.57 is: 2,578,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,739.80 : 4,579,947.08 = 1,868,487.57 : x
  2. Step 2: Convert to fraction form
    3,318,739.80/4,579,947.08 = 1,868,487.57/x
  3. Step 3: Cross multiply
    3,318,739.80x = 4,579,947.08 × 1,868,487.57
  4. Step 4: Simplify right side
    3,318,739.80x = 8,557,574,180,895.36
  5. Step 5: Solve for x
    x = 8,557,574,180,895.36/3,318,739.80
  6. Step 6: Final answer
    x = 2,578,561.35

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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.