Finding the Fourth Proportional to 3,954,161.84, 5,931,703.56 and 1,431,005.36
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Solution
The fourth proportional to 3,954,161.84, 5,931,703.56 and 1,431,005.36 is: 2,146,674.80
Step by Step Solution
- Step 1: Write the proportion equation
3,954,161.84 : 5,931,703.56 = 1,431,005.36 : x - Step 2: Convert to fraction form
3,954,161.84/5,931,703.56 = 1,431,005.36/x - Step 3: Cross multiply
3,954,161.84x = 5,931,703.56 × 1,431,005.36 - Step 4: Simplify right side
3,954,161.84x = 8,488,299,588,291.08 - Step 5: Solve for x
x = 8,488,299,588,291.08/3,954,161.84 - Step 6: Final answer
x = 2,146,674.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.