Finding the Fourth Proportional to 3,165,659.98, 4,368,603.65 and 1,715,394.67
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Solution
The fourth proportional to 3,165,659.98, 4,368,603.65 and 1,715,394.67 is: 2,367,240.79
Step by Step Solution
- Step 1: Write the proportion equation
3,165,659.98 : 4,368,603.65 = 1,715,394.67 : x - Step 2: Convert to fraction form
3,165,659.98/4,368,603.65 = 1,715,394.67/x - Step 3: Cross multiply
3,165,659.98x = 4,368,603.65 × 1,715,394.67 - Step 4: Simplify right side
3,165,659.98x = 7,493,879,416,552.55 - Step 5: Solve for x
x = 7,493,879,416,552.55/3,165,659.98 - Step 6: Final answer
x = 2,367,240.79
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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.