Home / 2,783,145.60-4,174,718.40-889,948.80

Finding the Fourth Proportional to 2,783,145.60, 4,174,718.40 and 889,948.80

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Solution

The fourth proportional to 2,783,145.60, 4,174,718.40 and 889,948.80 is: 1,334,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,145.60 : 4,174,718.40 = 889,948.80 : x
  2. Step 2: Convert to fraction form
    2,783,145.60/4,174,718.40 = 889,948.80/x
  3. Step 3: Cross multiply
    2,783,145.60x = 4,174,718.40 × 889,948.80
  4. Step 4: Simplify right side
    2,783,145.60x = 3,715,285,630,417.92
  5. Step 5: Solve for x
    x = 3,715,285,630,417.92/2,783,145.60
  6. Step 6: Final answer
    x = 1,334,923.20

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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.