Home / 1,939,086.48-2,674,571.12-1,680,495.60

Finding the Fourth Proportional to 1,939,086.48, 2,674,571.12 and 1,680,495.60

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Solution

The fourth proportional to 1,939,086.48, 2,674,571.12 and 1,680,495.60 is: 2,317,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,086.48 : 2,674,571.12 = 1,680,495.60 : x
  2. Step 2: Convert to fraction form
    1,939,086.48/2,674,571.12 = 1,680,495.60/x
  3. Step 3: Cross multiply
    1,939,086.48x = 2,674,571.12 × 1,680,495.60
  4. Step 4: Simplify right side
    1,939,086.48x = 4,494,604,999,047.07
  5. Step 5: Solve for x
    x = 4,494,604,999,047.07/1,939,086.48
  6. Step 6: Final answer
    x = 2,317,898.17

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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.