Home / 1,984,099.38-2,975,435.45-686,899.53

Finding the Fourth Proportional to 1,984,099.38, 2,975,435.45 and 686,899.53

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Solution

The fourth proportional to 1,984,099.38, 2,975,435.45 and 686,899.53 is: 1,030,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,099.38 : 2,975,435.45 = 686,899.53 : x
  2. Step 2: Convert to fraction form
    1,984,099.38/2,975,435.45 = 686,899.53/x
  3. Step 3: Cross multiply
    1,984,099.38x = 2,975,435.45 × 686,899.53
  4. Step 4: Simplify right side
    1,984,099.38x = 2,043,825,212,150.34
  5. Step 5: Solve for x
    x = 2,043,825,212,150.34/1,984,099.38
  6. Step 6: Final answer
    x = 1,030,102.24

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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.