Finding the Fourth Proportional to 5,063,962.51, 6,988,267.75 and 2,740,854.62
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Solution
The fourth proportional to 5,063,962.51, 6,988,267.75 and 2,740,854.62 is: 3,782,379.09
Step by Step Solution
- Step 1: Write the proportion equation
5,063,962.51 : 6,988,267.75 = 2,740,854.62 : x - Step 2: Convert to fraction form
5,063,962.51/6,988,267.75 = 2,740,854.62/x - Step 3: Cross multiply
5,063,962.51x = 6,988,267.75 × 2,740,854.62 - Step 4: Simplify right side
5,063,962.51x = 19,153,825,934,680.23 - Step 5: Solve for x
x = 19,153,825,934,680.23/5,063,962.51 - Step 6: Final answer
x = 3,782,379.09
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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.