Home / 1,890,370.81-2,608,608.04-1,074,461.25

Finding the Fourth Proportional to 1,890,370.81, 2,608,608.04 and 1,074,461.25

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Solution

The fourth proportional to 1,890,370.81, 2,608,608.04 and 1,074,461.25 is: 1,482,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,370.81 : 2,608,608.04 = 1,074,461.25 : x
  2. Step 2: Convert to fraction form
    1,890,370.81/2,608,608.04 = 1,074,461.25/x
  3. Step 3: Cross multiply
    1,890,370.81x = 2,608,608.04 × 1,074,461.25
  4. Step 4: Simplify right side
    1,890,370.81x = 2,802,848,262,514.58
  5. Step 5: Solve for x
    x = 2,802,848,262,514.58/1,890,370.81
  6. Step 6: Final answer
    x = 1,482,697.60

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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.