Home / 2,665,689-3,674,824.65-1,900,413.96

Finding the Fourth Proportional to 2,665,689, 3,674,824.65 and 1,900,413.96

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Solution

The fourth proportional to 2,665,689, 3,674,824.65 and 1,900,413.96 is: 2,619,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,689 : 3,674,824.65 = 1,900,413.96 : x
  2. Step 2: Convert to fraction form
    2,665,689/3,674,824.65 = 1,900,413.96/x
  3. Step 3: Cross multiply
    2,665,689x = 3,674,824.65 × 1,900,413.96
  4. Step 4: Simplify right side
    2,665,689x = 6,983,688,065,412.11
  5. Step 5: Solve for x
    x = 6,983,688,065,412.11/2,665,689
  6. Step 6: Final answer
    x = 2,619,843.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.