Home / 1,630,551.76-2,250,226.14-942,200.80

Finding the Fourth Proportional to 1,630,551.76, 2,250,226.14 and 942,200.80

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Solution

The fourth proportional to 1,630,551.76, 2,250,226.14 and 942,200.80 is: 1,300,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,551.76 : 2,250,226.14 = 942,200.80 : x
  2. Step 2: Convert to fraction form
    1,630,551.76/2,250,226.14 = 942,200.80/x
  3. Step 3: Cross multiply
    1,630,551.76x = 2,250,226.14 × 942,200.80
  4. Step 4: Simplify right side
    1,630,551.76x = 2,120,164,869,288.91
  5. Step 5: Solve for x
    x = 2,120,164,869,288.91/1,630,551.76
  6. Step 6: Final answer
    x = 1,300,274.50

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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.