Home / 3,900,484.35-5,382,827.04-2,158,125.40

Finding the Fourth Proportional to 3,900,484.35, 5,382,827.04 and 2,158,125.40

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Solution

The fourth proportional to 3,900,484.35, 5,382,827.04 and 2,158,125.40 is: 2,978,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,484.35 : 5,382,827.04 = 2,158,125.40 : x
  2. Step 2: Convert to fraction form
    3,900,484.35/5,382,827.04 = 2,158,125.40/x
  3. Step 3: Cross multiply
    3,900,484.35x = 5,382,827.04 × 2,158,125.40
  4. Step 4: Simplify right side
    3,900,484.35x = 11,616,815,758,830.82
  5. Step 5: Solve for x
    x = 11,616,815,758,830.82/3,900,484.35
  6. Step 6: Final answer
    x = 2,978,300.83

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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.