Home / 1,866,280.60-2,794,936.86-1,065,133.28

Finding the Fourth Proportional to 1,866,280.60, 2,794,936.86 and 1,065,133.28

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Solution

The fourth proportional to 1,866,280.60, 2,794,936.86 and 1,065,133.28 is: 1,595,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,280.60 : 2,794,936.86 = 1,065,133.28 : x
  2. Step 2: Convert to fraction form
    1,866,280.60/2,794,936.86 = 1,065,133.28/x
  3. Step 3: Cross multiply
    1,866,280.60x = 2,794,936.86 × 1,065,133.28
  4. Step 4: Simplify right side
    1,866,280.60x = 2,976,980,265,084.70
  5. Step 5: Solve for x
    x = 2,976,980,265,084.70/1,866,280.60
  6. Step 6: Final answer
    x = 1,595,140.77

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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.