Finding the Fourth Proportional to 2,166,699.03, 2,990,039.79 and 1,248,922.08
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Solution
The fourth proportional to 2,166,699.03, 2,990,039.79 and 1,248,922.08 is: 1,723,509.66
Step by Step Solution
- Step 1: Write the proportion equation
2,166,699.03 : 2,990,039.79 = 1,248,922.08 : x - Step 2: Convert to fraction form
2,166,699.03/2,990,039.79 = 1,248,922.08/x - Step 3: Cross multiply
2,166,699.03x = 2,990,039.79 × 1,248,922.08 - Step 4: Simplify right side
2,166,699.03x = 3,734,326,713,809.56 - Step 5: Solve for x
x = 3,734,326,713,809.56/2,166,699.03 - Step 6: Final answer
x = 1,723,509.66
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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.