Home / 2,076,890.40-3,115,335.60-1,950,919.20

Finding the Fourth Proportional to 2,076,890.40, 3,115,335.60 and 1,950,919.20

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Solution

The fourth proportional to 2,076,890.40, 3,115,335.60 and 1,950,919.20 is: 2,926,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,890.40 : 3,115,335.60 = 1,950,919.20 : x
  2. Step 2: Convert to fraction form
    2,076,890.40/3,115,335.60 = 1,950,919.20/x
  3. Step 3: Cross multiply
    2,076,890.40x = 3,115,335.60 × 1,950,919.20
  4. Step 4: Simplify right side
    2,076,890.40x = 6,077,768,036,483.52
  5. Step 5: Solve for x
    x = 6,077,768,036,483.52/2,076,890.40
  6. Step 6: Final answer
    x = 2,926,378.80

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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.