Finding the Fourth Proportional to 4,431,282.84, 6,646,926.24 and 1,398,956.22
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Solution
The fourth proportional to 4,431,282.84, 6,646,926.24 and 1,398,956.22 is: 2,098,434.96
Step by Step Solution
- Step 1: Write the proportion equation
4,431,282.84 : 6,646,926.24 = 1,398,956.22 : x - Step 2: Convert to fraction form
4,431,282.84/6,646,926.24 = 1,398,956.22/x - Step 3: Cross multiply
4,431,282.84x = 6,646,926.24 × 1,398,956.22 - Step 4: Simplify right side
4,431,282.84x = 9,298,758,807,329.21 - Step 5: Solve for x
x = 9,298,758,807,329.21/4,431,282.84 - Step 6: Final answer
x = 2,098,434.96
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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.