Finding the Fourth Proportional to 6,867,235.68, 9,476,784.72 and 3,811,449.12
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Solution
The fourth proportional to 6,867,235.68, 9,476,784.72 and 3,811,449.12 is: 5,259,799.50
Step by Step Solution
- Step 1: Write the proportion equation
6,867,235.68 : 9,476,784.72 = 3,811,449.12 : x - Step 2: Convert to fraction form
6,867,235.68/9,476,784.72 = 3,811,449.12/x - Step 3: Cross multiply
6,867,235.68x = 9,476,784.72 × 3,811,449.12 - Step 4: Simplify right side
6,867,235.68x = 36,120,282,781,473.45 - Step 5: Solve for x
x = 36,120,282,781,473.45/6,867,235.68 - Step 6: Final answer
x = 5,259,799.50
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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.