Home / 3,408,575.76-4,705,539.12-2,119,831.38

Finding the Fourth Proportional to 3,408,575.76, 4,705,539.12 and 2,119,831.38

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Solution

The fourth proportional to 3,408,575.76, 4,705,539.12 and 2,119,831.38 is: 2,926,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,575.76 : 4,705,539.12 = 2,119,831.38 : x
  2. Step 2: Convert to fraction form
    3,408,575.76/4,705,539.12 = 2,119,831.38/x
  3. Step 3: Cross multiply
    3,408,575.76x = 4,705,539.12 × 2,119,831.38
  4. Step 4: Simplify right side
    3,408,575.76x = 9,974,949,486,393.59
  5. Step 5: Solve for x
    x = 9,974,949,486,393.59/3,408,575.76
  6. Step 6: Final answer
    x = 2,926,427.40

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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.