Finding the Fourth Proportional to 6,378,926.48, 8,802,854.52 and 3,478,310
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Solution
The fourth proportional to 6,378,926.48, 8,802,854.52 and 3,478,310 is: 4,800,032.89
Step by Step Solution
- Step 1: Write the proportion equation
6,378,926.48 : 8,802,854.52 = 3,478,310 : x - Step 2: Convert to fraction form
6,378,926.48/8,802,854.52 = 3,478,310/x - Step 3: Cross multiply
6,378,926.48x = 8,802,854.52 × 3,478,310 - Step 4: Simplify right side
6,378,926.48x = 30,619,056,905,461.20 - Step 5: Solve for x
x = 30,619,056,905,461.20/6,378,926.48 - Step 6: Final answer
x = 4,800,032.89
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1.5x scale
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.