Finding the Fourth Proportional to 5,029,023.55, 6,942,512.82 and 3,374,578.74
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Solution
The fourth proportional to 5,029,023.55, 6,942,512.82 and 3,374,578.74 is: 4,658,569.59
Step by Step Solution
- Step 1: Write the proportion equation
5,029,023.55 : 6,942,512.82 = 3,374,578.74 : x - Step 2: Convert to fraction form
5,029,023.55/6,942,512.82 = 3,374,578.74/x - Step 3: Cross multiply
5,029,023.55x = 6,942,512.82 × 3,374,578.74 - Step 4: Simplify right side
5,029,023.55x = 23,428,056,164,549.45 - Step 5: Solve for x
x = 23,428,056,164,549.45/5,029,023.55 - Step 6: Final answer
x = 4,658,569.59
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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.