Home / 3,316,940.21-4,975,438.01-920,971.69

Finding the Fourth Proportional to 3,316,940.21, 4,975,438.01 and 920,971.69

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Solution

The fourth proportional to 3,316,940.21, 4,975,438.01 and 920,971.69 is: 1,381,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,940.21 : 4,975,438.01 = 920,971.69 : x
  2. Step 2: Convert to fraction form
    3,316,940.21/4,975,438.01 = 920,971.69/x
  3. Step 3: Cross multiply
    3,316,940.21x = 4,975,438.01 × 920,971.69
  4. Step 4: Simplify right side
    3,316,940.21x = 4,582,237,535,516.48
  5. Step 5: Solve for x
    x = 4,582,237,535,516.48/3,316,940.21
  6. Step 6: Final answer
    x = 1,381,465.22

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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.