Home / 3,879,362.79-5,353,686.75-2,160,483.30

Finding the Fourth Proportional to 3,879,362.79, 5,353,686.75 and 2,160,483.30

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Solution

The fourth proportional to 3,879,362.79, 5,353,686.75 and 2,160,483.30 is: 2,981,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,362.79 : 5,353,686.75 = 2,160,483.30 : x
  2. Step 2: Convert to fraction form
    3,879,362.79/5,353,686.75 = 2,160,483.30/x
  3. Step 3: Cross multiply
    3,879,362.79x = 5,353,686.75 × 2,160,483.30
  4. Step 4: Simplify right side
    3,879,362.79x = 11,566,550,816,806.27
  5. Step 5: Solve for x
    x = 11,566,550,816,806.27/3,879,362.79
  6. Step 6: Final answer
    x = 2,981,559.46

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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.