Home / 3,089,123.40-4,634,559.90-959,422.80

Finding the Fourth Proportional to 3,089,123.40, 4,634,559.90 and 959,422.80

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Solution

The fourth proportional to 3,089,123.40, 4,634,559.90 and 959,422.80 is: 1,439,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,123.40 : 4,634,559.90 = 959,422.80 : x
  2. Step 2: Convert to fraction form
    3,089,123.40/4,634,559.90 = 959,422.80/x
  3. Step 3: Cross multiply
    3,089,123.40x = 4,634,559.90 × 959,422.80
  4. Step 4: Simplify right side
    3,089,123.40x = 4,446,502,436,025.72
  5. Step 5: Solve for x
    x = 4,446,502,436,025.72/3,089,123.40
  6. Step 6: Final answer
    x = 1,439,405.90

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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.