Home / 1,890,400-2,608,303.60-1,074,539.46

Finding the Fourth Proportional to 1,890,400, 2,608,303.60 and 1,074,539.46

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Solution

The fourth proportional to 1,890,400, 2,608,303.60 and 1,074,539.46 is: 1,482,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,400 : 2,608,303.60 = 1,074,539.46 : x
  2. Step 2: Convert to fraction form
    1,890,400/2,608,303.60 = 1,074,539.46/x
  3. Step 3: Cross multiply
    1,890,400x = 2,608,303.60 × 1,074,539.46
  4. Step 4: Simplify right side
    1,890,400x = 2,802,725,141,860.06
  5. Step 5: Solve for x
    x = 2,802,725,141,860.06/1,890,400
  6. Step 6: Final answer
    x = 1,482,609.58

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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.