Home / 1,946,500.20-2,917,763.10-1,315,477.80

Finding the Fourth Proportional to 1,946,500.20, 2,917,763.10 and 1,315,477.80

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Solution

The fourth proportional to 1,946,500.20, 2,917,763.10 and 1,315,477.80 is: 1,971,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,500.20 : 2,917,763.10 = 1,315,477.80 : x
  2. Step 2: Convert to fraction form
    1,946,500.20/2,917,763.10 = 1,315,477.80/x
  3. Step 3: Cross multiply
    1,946,500.20x = 2,917,763.10 × 1,315,477.80
  4. Step 4: Simplify right side
    1,946,500.20x = 3,838,252,583,709.18
  5. Step 5: Solve for x
    x = 3,838,252,583,709.18/1,946,500.20
  6. Step 6: Final answer
    x = 1,971,873.72

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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.