Home / 1,968,619.40-2,947,024.20-1,169,489.60

Finding the Fourth Proportional to 1,968,619.40, 2,947,024.20 and 1,169,489.60

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Solution

The fourth proportional to 1,968,619.40, 2,947,024.20 and 1,169,489.60 is: 1,750,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,619.40 : 2,947,024.20 = 1,169,489.60 : x
  2. Step 2: Convert to fraction form
    1,968,619.40/2,947,024.20 = 1,169,489.60/x
  3. Step 3: Cross multiply
    1,968,619.40x = 2,947,024.20 × 1,169,489.60
  4. Step 4: Simplify right side
    1,968,619.40x = 3,446,514,152,848.32
  5. Step 5: Solve for x
    x = 3,446,514,152,848.32/1,968,619.40
  6. Step 6: Final answer
    x = 1,750,726.50

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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.