Finding the Fourth Proportional to 6,778,647.64, 9,354,497.56 and 3,681,143.92
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Solution
The fourth proportional to 6,778,647.64, 9,354,497.56 and 3,681,143.92 is: 5,079,958.96
Step by Step Solution
- Step 1: Write the proportion equation
6,778,647.64 : 9,354,497.56 = 3,681,143.92 : x - Step 2: Convert to fraction form
6,778,647.64/9,354,497.56 = 3,681,143.92/x - Step 3: Cross multiply
6,778,647.64x = 9,354,497.56 × 3,681,143.92 - Step 4: Simplify right side
6,778,647.64x = 34,435,251,817,648.84 - Step 5: Solve for x
x = 34,435,251,817,648.84/6,778,647.64 - Step 6: Final answer
x = 5,079,958.96
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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.