Home / 2,574,039.80-3,861,059.70-1,978,009.40

Finding the Fourth Proportional to 2,574,039.80, 3,861,059.70 and 1,978,009.40

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Solution

The fourth proportional to 2,574,039.80, 3,861,059.70 and 1,978,009.40 is: 2,967,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,039.80 : 3,861,059.70 = 1,978,009.40 : x
  2. Step 2: Convert to fraction form
    2,574,039.80/3,861,059.70 = 1,978,009.40/x
  3. Step 3: Cross multiply
    2,574,039.80x = 3,861,059.70 × 1,978,009.40
  4. Step 4: Simplify right side
    2,574,039.80x = 7,637,212,380,561.18
  5. Step 5: Solve for x
    x = 7,637,212,380,561.18/2,574,039.80
  6. Step 6: Final answer
    x = 2,967,014.10

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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.