Home / 3,390,521.88-4,678,986.44-1,862,686.92

Finding the Fourth Proportional to 3,390,521.88, 4,678,986.44 and 1,862,686.92

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Solution

The fourth proportional to 3,390,521.88, 4,678,986.44 and 1,862,686.92 is: 2,570,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,521.88 : 4,678,986.44 = 1,862,686.92 : x
  2. Step 2: Convert to fraction form
    3,390,521.88/4,678,986.44 = 1,862,686.92/x
  3. Step 3: Cross multiply
    3,390,521.88x = 4,678,986.44 × 1,862,686.92
  4. Step 4: Simplify right side
    3,390,521.88x = 8,715,486,840,645.37
  5. Step 5: Solve for x
    x = 8,715,486,840,645.37/3,390,521.88
  6. Step 6: Final answer
    x = 2,570,544.34

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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.