Finding the Fourth Proportional to 4,276,860.77, 5,902,018.68 and 2,316,701.42
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Solution
The fourth proportional to 4,276,860.77, 5,902,018.68 and 2,316,701.42 is: 3,197,021.32
Step by Step Solution
- Step 1: Write the proportion equation
4,276,860.77 : 5,902,018.68 = 2,316,701.42 : x - Step 2: Convert to fraction form
4,276,860.77/5,902,018.68 = 2,316,701.42/x - Step 3: Cross multiply
4,276,860.77x = 5,902,018.68 × 2,316,701.42 - Step 4: Simplify right side
4,276,860.77x = 13,673,215,045,101.19 - Step 5: Solve for x
x = 13,673,215,045,101.19/4,276,860.77 - Step 6: Final answer
x = 3,197,021.32
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Double scale
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1.5x scale
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.