Home / 2,811,979.00-3,880,525.10-1,522,815.40

Finding the Fourth Proportional to 2,811,979.00, 3,880,525.10 and 1,522,815.40

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Solution

The fourth proportional to 2,811,979.00, 3,880,525.10 and 1,522,815.40 is: 2,101,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,979.00 : 3,880,525.10 = 1,522,815.40 : x
  2. Step 2: Convert to fraction form
    2,811,979.00/3,880,525.10 = 1,522,815.40/x
  3. Step 3: Cross multiply
    2,811,979.00x = 3,880,525.10 × 1,522,815.40
  4. Step 4: Simplify right side
    2,811,979.00x = 5,909,323,388,168.96
  5. Step 5: Solve for x
    x = 5,909,323,388,168.96/2,811,979.00
  6. Step 6: Final answer
    x = 2,101,482.05

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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.