Home / 3,640,725.63-5,024,322.04-1,986,963.30

Finding the Fourth Proportional to 3,640,725.63, 5,024,322.04 and 1,986,963.30

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Solution

The fourth proportional to 3,640,725.63, 5,024,322.04 and 1,986,963.30 is: 2,742,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,725.63 : 5,024,322.04 = 1,986,963.30 : x
  2. Step 2: Convert to fraction form
    3,640,725.63/5,024,322.04 = 1,986,963.30/x
  3. Step 3: Cross multiply
    3,640,725.63x = 5,024,322.04 × 1,986,963.30
  4. Step 4: Simplify right side
    3,640,725.63x = 9,983,143,500,861.13
  5. Step 5: Solve for x
    x = 9,983,143,500,861.13/3,640,725.63
  6. Step 6: Final answer
    x = 2,742,075.21

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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.