Finding the Fourth Proportional to 3,493,436.27, 5,240,646.47 and 1,218,628.90
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Solution
The fourth proportional to 3,493,436.27, 5,240,646.47 and 1,218,628.90 is: 1,828,115.00
Step by Step Solution
- Step 1: Write the proportion equation
3,493,436.27 : 5,240,646.47 = 1,218,628.90 : x - Step 2: Convert to fraction form
3,493,436.27/5,240,646.47 = 1,218,628.90/x - Step 3: Cross multiply
3,493,436.27x = 5,240,646.47 × 1,218,628.90 - Step 4: Simplify right side
3,493,436.27x = 6,386,403,228,400.08 - Step 5: Solve for x
x = 6,386,403,228,400.08/3,493,436.27 - Step 6: Final answer
x = 1,828,115.00
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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.