Home / 1,938,867.96-2,908,302.68-1,936,066.21

Finding the Fourth Proportional to 1,938,867.96, 2,908,302.68 and 1,936,066.21

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Solution

The fourth proportional to 1,938,867.96, 2,908,302.68 and 1,936,066.21 is: 2,904,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,867.96 : 2,908,302.68 = 1,936,066.21 : x
  2. Step 2: Convert to fraction form
    1,938,867.96/2,908,302.68 = 1,936,066.21/x
  3. Step 3: Cross multiply
    1,938,867.96x = 2,908,302.68 × 1,936,066.21
  4. Step 4: Simplify right side
    1,938,867.96x = 5,630,666,544,769.85
  5. Step 5: Solve for x
    x = 5,630,666,544,769.85/1,938,867.96
  6. Step 6: Final answer
    x = 2,904,100.05

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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.