Home / 1,890,135.38-2,608,449.81-1,030,742.66

Finding the Fourth Proportional to 1,890,135.38, 2,608,449.81 and 1,030,742.66

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Solution

The fourth proportional to 1,890,135.38, 2,608,449.81 and 1,030,742.66 is: 1,422,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,135.38 : 2,608,449.81 = 1,030,742.66 : x
  2. Step 2: Convert to fraction form
    1,890,135.38/2,608,449.81 = 1,030,742.66/x
  3. Step 3: Cross multiply
    1,890,135.38x = 2,608,449.81 × 1,030,742.66
  4. Step 4: Simplify right side
    1,890,135.38x = 2,688,640,495,635.89
  5. Step 5: Solve for x
    x = 2,688,640,495,635.89/1,890,135.38
  6. Step 6: Final answer
    x = 1,422,459.22

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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.