Home / 3,879,482.76-5,353,852.14-2,160,603

Finding the Fourth Proportional to 3,879,482.76, 5,353,852.14 and 2,160,603

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Solution

The fourth proportional to 3,879,482.76, 5,353,852.14 and 2,160,603 is: 2,981,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,482.76 : 5,353,852.14 = 2,160,603 : x
  2. Step 2: Convert to fraction form
    3,879,482.76/5,353,852.14 = 2,160,603/x
  3. Step 3: Cross multiply
    3,879,482.76x = 5,353,852.14 × 2,160,603
  4. Step 4: Simplify right side
    3,879,482.76x = 11,567,548,995,240.42
  5. Step 5: Solve for x
    x = 11,567,548,995,240.42/3,879,482.76
  6. Step 6: Final answer
    x = 2,981,724.55

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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.