Home / 1,906,870.43-2,631,496.86-1,047,449.90

Finding the Fourth Proportional to 1,906,870.43, 2,631,496.86 and 1,047,449.90

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Solution

The fourth proportional to 1,906,870.43, 2,631,496.86 and 1,047,449.90 is: 1,445,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,870.43 : 2,631,496.86 = 1,047,449.90 : x
  2. Step 2: Convert to fraction form
    1,906,870.43/2,631,496.86 = 1,047,449.90/x
  3. Step 3: Cross multiply
    1,906,870.43x = 2,631,496.86 × 1,047,449.90
  4. Step 4: Simplify right side
    1,906,870.43x = 2,756,361,109,699.83
  5. Step 5: Solve for x
    x = 2,756,361,109,699.83/1,906,870.43
  6. Step 6: Final answer
    x = 1,445,489.46

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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.