Finding the Fourth Proportional to 6,328,008.12, 8,732,581.74 and 3,427,326.84
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Solution
The fourth proportional to 6,328,008.12, 8,732,581.74 and 3,427,326.84 is: 4,729,673.42
Step by Step Solution
- Step 1: Write the proportion equation
6,328,008.12 : 8,732,581.74 = 3,427,326.84 : x - Step 2: Convert to fraction form
6,328,008.12/8,732,581.74 = 3,427,326.84/x - Step 3: Cross multiply
6,328,008.12x = 8,732,581.74 × 3,427,326.84 - Step 4: Simplify right side
6,328,008.12x = 29,929,411,779,995.90 - Step 5: Solve for x
x = 29,929,411,779,995.90/6,328,008.12 - Step 6: Final answer
x = 4,729,673.42
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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.