Home / 2,578,699.80-3,868,049.70-1,303,241.40

Finding the Fourth Proportional to 2,578,699.80, 3,868,049.70 and 1,303,241.40

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Solution

The fourth proportional to 2,578,699.80, 3,868,049.70 and 1,303,241.40 is: 1,954,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,699.80 : 3,868,049.70 = 1,303,241.40 : x
  2. Step 2: Convert to fraction form
    2,578,699.80/3,868,049.70 = 1,303,241.40/x
  3. Step 3: Cross multiply
    2,578,699.80x = 3,868,049.70 × 1,303,241.40
  4. Step 4: Simplify right side
    2,578,699.80x = 5,041,002,506,297.58
  5. Step 5: Solve for x
    x = 5,041,002,506,297.58/2,578,699.80
  6. Step 6: Final answer
    x = 1,954,862.10

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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.