Home / 4,981,856.40-7,470,019.80-1,986,656.40

Finding the Fourth Proportional to 4,981,856.40, 7,470,019.80 and 1,986,656.40

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Solution

The fourth proportional to 4,981,856.40, 7,470,019.80 and 1,986,656.40 is: 2,978,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,856.40 : 7,470,019.80 = 1,986,656.40 : x
  2. Step 2: Convert to fraction form
    4,981,856.40/7,470,019.80 = 1,986,656.40/x
  3. Step 3: Cross multiply
    4,981,856.40x = 7,470,019.80 × 1,986,656.40
  4. Step 4: Simplify right side
    4,981,856.40x = 14,840,362,643,796.72
  5. Step 5: Solve for x
    x = 14,840,362,643,796.72/4,981,856.40
  6. Step 6: Final answer
    x = 2,978,882.06

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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.