Home / 3,663,145.80-5,494,718.70-1,871,555.40

Finding the Fourth Proportional to 3,663,145.80, 5,494,718.70 and 1,871,555.40

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Solution

The fourth proportional to 3,663,145.80, 5,494,718.70 and 1,871,555.40 is: 2,807,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663,145.80 : 5,494,718.70 = 1,871,555.40 : x
  2. Step 2: Convert to fraction form
    3,663,145.80/5,494,718.70 = 1,871,555.40/x
  3. Step 3: Cross multiply
    3,663,145.80x = 5,494,718.70 × 1,871,555.40
  4. Step 4: Simplify right side
    3,663,145.80x = 10,283,670,454,465.98
  5. Step 5: Solve for x
    x = 10,283,670,454,465.98/3,663,145.80
  6. Step 6: Final answer
    x = 2,807,333.10

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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.