Finding the Fourth Proportional to 4,361,781.60, 6,530,230.80 and 3,864,117.60
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Solution
The fourth proportional to 4,361,781.60, 6,530,230.80 and 3,864,117.60 is: 5,785,154.34
Step by Step Solution
- Step 1: Write the proportion equation
4,361,781.60 : 6,530,230.80 = 3,864,117.60 : x - Step 2: Convert to fraction form
4,361,781.60/6,530,230.80 = 3,864,117.60/x - Step 3: Cross multiply
4,361,781.60x = 6,530,230.80 × 3,864,117.60 - Step 4: Simplify right side
4,361,781.60x = 25,233,579,766,342.08 - Step 5: Solve for x
x = 25,233,579,766,342.08/4,361,781.60 - Step 6: Final answer
x = 5,785,154.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.