Home / 3,457,984.19-5,187,225.40-1,328,068.31

Finding the Fourth Proportional to 3,457,984.19, 5,187,225.40 and 1,328,068.31

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Solution

The fourth proportional to 3,457,984.19, 5,187,225.40 and 1,328,068.31 is: 1,992,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,984.19 : 5,187,225.40 = 1,328,068.31 : x
  2. Step 2: Convert to fraction form
    3,457,984.19/5,187,225.40 = 1,328,068.31/x
  3. Step 3: Cross multiply
    3,457,984.19x = 5,187,225.40 × 1,328,068.31
  4. Step 4: Simplify right side
    3,457,984.19x = 6,888,989,670,567.08
  5. Step 5: Solve for x
    x = 6,888,989,670,567.08/3,457,984.19
  6. Step 6: Final answer
    x = 1,992,198.14

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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.