Finding the Fourth Proportional to 4,848,468.51, 6,690,987.80 and 2,673,103.35
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Solution
The fourth proportional to 4,848,468.51, 6,690,987.80 and 2,673,103.35 is: 3,688,938.45
Step by Step Solution
- Step 1: Write the proportion equation
4,848,468.51 : 6,690,987.80 = 2,673,103.35 : x - Step 2: Convert to fraction form
4,848,468.51/6,690,987.80 = 2,673,103.35/x - Step 3: Cross multiply
4,848,468.51x = 6,690,987.80 × 2,673,103.35 - Step 4: Simplify right side
4,848,468.51x = 17,885,701,902,989.13 - Step 5: Solve for x
x = 17,885,701,902,989.13/4,848,468.51 - Step 6: Final answer
x = 3,688,938.45
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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.