Home / 1,591,413.28-2,196,178.32-866,281.84

Finding the Fourth Proportional to 1,591,413.28, 2,196,178.32 and 866,281.84

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Solution

The fourth proportional to 1,591,413.28, 2,196,178.32 and 866,281.84 is: 1,195,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,413.28 : 2,196,178.32 = 866,281.84 : x
  2. Step 2: Convert to fraction form
    1,591,413.28/2,196,178.32 = 866,281.84/x
  3. Step 3: Cross multiply
    1,591,413.28x = 2,196,178.32 × 866,281.84
  4. Step 4: Simplify right side
    1,591,413.28x = 1,902,509,396,017.71
  5. Step 5: Solve for x
    x = 1,902,509,396,017.71/1,591,413.28
  6. Step 6: Final answer
    x = 1,195,484.18

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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.