Home / 3,570,289.12-4,926,980.90-1,938,682.21

Finding the Fourth Proportional to 3,570,289.12, 4,926,980.90 and 1,938,682.21

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Solution

The fourth proportional to 3,570,289.12, 4,926,980.90 and 1,938,682.21 is: 2,675,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570,289.12 : 4,926,980.90 = 1,938,682.21 : x
  2. Step 2: Convert to fraction form
    3,570,289.12/4,926,980.90 = 1,938,682.21/x
  3. Step 3: Cross multiply
    3,570,289.12x = 4,926,980.90 × 1,938,682.21
  4. Step 4: Simplify right side
    3,570,289.12x = 9,551,850,223,082.33
  5. Step 5: Solve for x
    x = 9,551,850,223,082.33/3,570,289.12
  6. Step 6: Final answer
    x = 2,675,371.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.