Home / 3,365,923.18-4,644,969.96-1,989,762.88

Finding the Fourth Proportional to 3,365,923.18, 4,644,969.96 and 1,989,762.88

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Solution

The fourth proportional to 3,365,923.18, 4,644,969.96 and 1,989,762.88 is: 2,745,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365,923.18 : 4,644,969.96 = 1,989,762.88 : x
  2. Step 2: Convert to fraction form
    3,365,923.18/4,644,969.96 = 1,989,762.88/x
  3. Step 3: Cross multiply
    3,365,923.18x = 4,644,969.96 × 1,989,762.88
  4. Step 4: Simplify right side
    3,365,923.18x = 9,242,388,805,123.08
  5. Step 5: Solve for x
    x = 9,242,388,805,123.08/3,365,923.18
  6. Step 6: Final answer
    x = 2,745,870.39

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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.