Finding the Fourth Proportional to 6,368,127.42, 8,786,848.30 and 3,755,451.10
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Solution
The fourth proportional to 6,368,127.42, 8,786,848.30 and 3,755,451.10 is: 5,181,833.99
Step by Step Solution
- Step 1: Write the proportion equation
6,368,127.42 : 8,786,848.30 = 3,755,451.10 : x - Step 2: Convert to fraction form
6,368,127.42/8,786,848.30 = 3,755,451.10/x - Step 3: Cross multiply
6,368,127.42x = 8,786,848.30 × 3,755,451.10 - Step 4: Simplify right side
6,368,127.42x = 32,998,579,113,768.13 - Step 5: Solve for x
x = 32,998,579,113,768.13/6,368,127.42 - Step 6: Final answer
x = 5,181,833.99
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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.