Home / 1,898,542.32-2,849,781.86-1,271,835.60

Finding the Fourth Proportional to 1,898,542.32, 2,849,781.86 and 1,271,835.60

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Solution

The fourth proportional to 1,898,542.32, 2,849,781.86 and 1,271,835.60 is: 1,909,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,542.32 : 2,849,781.86 = 1,271,835.60 : x
  2. Step 2: Convert to fraction form
    1,898,542.32/2,849,781.86 = 1,271,835.60/x
  3. Step 3: Cross multiply
    1,898,542.32x = 2,849,781.86 × 1,271,835.60
  4. Step 4: Simplify right side
    1,898,542.32x = 3,624,454,015,423.04
  5. Step 5: Solve for x
    x = 3,624,454,015,423.04/1,898,542.32
  6. Step 6: Final answer
    x = 1,909,072.02

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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.