Finding the Fourth Proportional to 2,815,605.75, 3,888,743.55 and 1,908,613.11
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Solution
The fourth proportional to 2,815,605.75, 3,888,743.55 and 1,908,613.11 is: 2,636,060.44
Step by Step Solution
- Step 1: Write the proportion equation
2,815,605.75 : 3,888,743.55 = 1,908,613.11 : x - Step 2: Convert to fraction form
2,815,605.75/3,888,743.55 = 1,908,613.11/x - Step 3: Cross multiply
2,815,605.75x = 3,888,743.55 × 1,908,613.11 - Step 4: Simplify right side
2,815,605.75x = 7,422,106,920,957.94 - Step 5: Solve for x
x = 7,422,106,920,957.94/2,815,605.75 - Step 6: Final answer
x = 2,636,060.44
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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.