Home / 2,920,010.40-4,380,015.36-925,466.40

Finding the Fourth Proportional to 2,920,010.40, 4,380,015.36 and 925,466.40

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Solution

The fourth proportional to 2,920,010.40, 4,380,015.36 and 925,466.40 is: 1,388,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,010.40 : 4,380,015.36 = 925,466.40 : x
  2. Step 2: Convert to fraction form
    2,920,010.40/4,380,015.36 = 925,466.40/x
  3. Step 3: Cross multiply
    2,920,010.40x = 4,380,015.36 × 925,466.40
  4. Step 4: Simplify right side
    2,920,010.40x = 4,053,557,047,163.90
  5. Step 5: Solve for x
    x = 4,053,557,047,163.90/2,920,010.40
  6. Step 6: Final answer
    x = 1,388,199.52

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Similar ratio
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1.5x scale

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.