Finding the Fourth Proportional to 5,557,518.87, 8,335,111.90 and 1,567,497.75
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Solution
The fourth proportional to 5,557,518.87, 8,335,111.90 and 1,567,497.75 is: 2,350,917.64
Step by Step Solution
- Step 1: Write the proportion equation
5,557,518.87 : 8,335,111.90 = 1,567,497.75 : x - Step 2: Convert to fraction form
5,557,518.87/8,335,111.90 = 1,567,497.75/x - Step 3: Cross multiply
5,557,518.87x = 8,335,111.90 × 1,567,497.75 - Step 4: Simplify right side
5,557,518.87x = 13,065,269,149,248.22 - Step 5: Solve for x
x = 13,065,269,149,248.22/5,557,518.87 - Step 6: Final answer
x = 2,350,917.64
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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.