Finding the Fourth Proportional to 3,145,341.42, 4,717,232.10 and 1,348,021.08
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Solution
The fourth proportional to 3,145,341.42, 4,717,232.10 and 1,348,021.08 is: 2,021,697.32
Step by Step Solution
- Step 1: Write the proportion equation
3,145,341.42 : 4,717,232.10 = 1,348,021.08 : x - Step 2: Convert to fraction form
3,145,341.42/4,717,232.10 = 1,348,021.08/x - Step 3: Cross multiply
3,145,341.42x = 4,717,232.10 × 1,348,021.08 - Step 4: Simplify right side
3,145,341.42x = 6,358,928,310,052.67 - Step 5: Solve for x
x = 6,358,928,310,052.67/3,145,341.42 - Step 6: Final answer
x = 2,021,697.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.