Home / 1,859,619.25-2,566,069.23-1,043,635.78

Finding the Fourth Proportional to 1,859,619.25, 2,566,069.23 and 1,043,635.78

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Solution

The fourth proportional to 1,859,619.25, 2,566,069.23 and 1,043,635.78 is: 1,440,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,619.25 : 2,566,069.23 = 1,043,635.78 : x
  2. Step 2: Convert to fraction form
    1,859,619.25/2,566,069.23 = 1,043,635.78/x
  3. Step 3: Cross multiply
    1,859,619.25x = 2,566,069.23 × 1,043,635.78
  4. Step 4: Simplify right side
    1,859,619.25x = 2,678,041,662,385.05
  5. Step 5: Solve for x
    x = 2,678,041,662,385.05/1,859,619.25
  6. Step 6: Final answer
    x = 1,440,102.14

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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.