Home / 2,672,904.80-4,009,299.60-1,780,066.40

Finding the Fourth Proportional to 2,672,904.80, 4,009,299.60 and 1,780,066.40

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Solution

The fourth proportional to 2,672,904.80, 4,009,299.60 and 1,780,066.40 is: 2,670,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,904.80 : 4,009,299.60 = 1,780,066.40 : x
  2. Step 2: Convert to fraction form
    2,672,904.80/4,009,299.60 = 1,780,066.40/x
  3. Step 3: Cross multiply
    2,672,904.80x = 4,009,299.60 × 1,780,066.40
  4. Step 4: Simplify right side
    2,672,904.80x = 7,136,819,505,493.44
  5. Step 5: Solve for x
    x = 7,136,819,505,493.44/2,672,904.80
  6. Step 6: Final answer
    x = 2,670,061.24

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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.