Home / 2,130,811.80-3,196,217.70-1,898,568.60

Finding the Fourth Proportional to 2,130,811.80, 3,196,217.70 and 1,898,568.60

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Solution

The fourth proportional to 2,130,811.80, 3,196,217.70 and 1,898,568.60 is: 2,847,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,811.80 : 3,196,217.70 = 1,898,568.60 : x
  2. Step 2: Convert to fraction form
    2,130,811.80/3,196,217.70 = 1,898,568.60/x
  3. Step 3: Cross multiply
    2,130,811.80x = 3,196,217.70 × 1,898,568.60
  4. Step 4: Simplify right side
    2,130,811.80x = 6,068,238,563,984.22
  5. Step 5: Solve for x
    x = 6,068,238,563,984.22/2,130,811.80
  6. Step 6: Final answer
    x = 2,847,852.90

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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.