Home / 3,839,603.72-5,758,775.12-1,280,838.32

Finding the Fourth Proportional to 3,839,603.72, 5,758,775.12 and 1,280,838.32

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Solution

The fourth proportional to 3,839,603.72, 5,758,775.12 and 1,280,838.32 is: 1,921,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,603.72 : 5,758,775.12 = 1,280,838.32 : x
  2. Step 2: Convert to fraction form
    3,839,603.72/5,758,775.12 = 1,280,838.32/x
  3. Step 3: Cross multiply
    3,839,603.72x = 5,758,775.12 × 1,280,838.32
  4. Step 4: Simplify right side
    3,839,603.72x = 7,376,059,849,958.60
  5. Step 5: Solve for x
    x = 7,376,059,849,958.60/3,839,603.72
  6. Step 6: Final answer
    x = 1,921,047.17

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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.