Home / 3,641,220.77-5,457,264.04-1,931,143.28

Finding the Fourth Proportional to 3,641,220.77, 5,457,264.04 and 1,931,143.28

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Solution

The fourth proportional to 3,641,220.77, 5,457,264.04 and 1,931,143.28 is: 2,894,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641,220.77 : 5,457,264.04 = 1,931,143.28 : x
  2. Step 2: Convert to fraction form
    3,641,220.77/5,457,264.04 = 1,931,143.28/x
  3. Step 3: Cross multiply
    3,641,220.77x = 5,457,264.04 × 1,931,143.28
  4. Step 4: Simplify right side
    3,641,220.77x = 10,538,758,741,089.62
  5. Step 5: Solve for x
    x = 10,538,758,741,089.62/3,641,220.77
  6. Step 6: Final answer
    x = 2,894,292.72

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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.