Home / 3,638,530.90-5,457,030.90-1,839,723.40

Finding the Fourth Proportional to 3,638,530.90, 5,457,030.90 and 1,839,723.40

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Solution

The fourth proportional to 3,638,530.90, 5,457,030.90 and 1,839,723.40 is: 2,759,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,530.90 : 5,457,030.90 = 1,839,723.40 : x
  2. Step 2: Convert to fraction form
    3,638,530.90/5,457,030.90 = 1,839,723.40/x
  3. Step 3: Cross multiply
    3,638,530.90x = 5,457,030.90 × 1,839,723.40
  4. Step 4: Simplify right side
    3,638,530.90x = 10,039,427,441,253.06
  5. Step 5: Solve for x
    x = 10,039,427,441,253.06/3,638,530.90
  6. Step 6: Final answer
    x = 2,759,198.07

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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.