Home / 2,089,357.34-3,133,948.44-669,381.98

Finding the Fourth Proportional to 2,089,357.34, 3,133,948.44 and 669,381.98

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Solution

The fourth proportional to 2,089,357.34, 3,133,948.44 and 669,381.98 is: 1,004,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,357.34 : 3,133,948.44 = 669,381.98 : x
  2. Step 2: Convert to fraction form
    2,089,357.34/3,133,948.44 = 669,381.98/x
  3. Step 3: Cross multiply
    2,089,357.34x = 3,133,948.44 × 669,381.98
  4. Step 4: Simplify right side
    2,089,357.34x = 2,097,808,611,985.11
  5. Step 5: Solve for x
    x = 2,097,808,611,985.11/2,089,357.34
  6. Step 6: Final answer
    x = 1,004,044.91

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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.