Finding the Fourth Proportional to 3,326,438.34, 4,589,617.42 and 1,949,041.99
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Solution
The fourth proportional to 3,326,438.34, 4,589,617.42 and 1,949,041.99 is: 2,689,169.66
Step by Step Solution
- Step 1: Write the proportion equation
3,326,438.34 : 4,589,617.42 = 1,949,041.99 : x - Step 2: Convert to fraction form
3,326,438.34/4,589,617.42 = 1,949,041.99/x - Step 3: Cross multiply
3,326,438.34x = 4,589,617.42 × 1,949,041.99 - Step 4: Simplify right side
3,326,438.34x = 8,945,357,069,615.47 - Step 5: Solve for x
x = 8,945,357,069,615.47/3,326,438.34 - Step 6: Final answer
x = 2,689,169.66
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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.