Home / 3,643,931.20-5,465,896.80-1,400,123.20

Finding the Fourth Proportional to 3,643,931.20, 5,465,896.80 and 1,400,123.20

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Solution

The fourth proportional to 3,643,931.20, 5,465,896.80 and 1,400,123.20 is: 2,100,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,931.20 : 5,465,896.80 = 1,400,123.20 : x
  2. Step 2: Convert to fraction form
    3,643,931.20/5,465,896.80 = 1,400,123.20/x
  3. Step 3: Cross multiply
    3,643,931.20x = 5,465,896.80 × 1,400,123.20
  4. Step 4: Simplify right side
    3,643,931.20x = 7,652,928,918,485.76
  5. Step 5: Solve for x
    x = 7,652,928,918,485.76/3,643,931.20
  6. Step 6: Final answer
    x = 2,100,184.80

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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.