Finding the Fourth Proportional to 6,129,564.64, 8,458,799.15 and 3,552,740.08
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Solution
The fourth proportional to 6,129,564.64, 8,458,799.15 and 3,552,740.08 is: 4,902,781.28
Step by Step Solution
- Step 1: Write the proportion equation
6,129,564.64 : 8,458,799.15 = 3,552,740.08 : x - Step 2: Convert to fraction form
6,129,564.64/8,458,799.15 = 3,552,740.08/x - Step 3: Cross multiply
6,129,564.64x = 8,458,799.15 × 3,552,740.08 - Step 4: Simplify right side
6,129,564.64x = 30,051,914,756,609.79 - Step 5: Solve for x
x = 30,051,914,756,609.79/6,129,564.64 - Step 6: Final answer
x = 4,902,781.28
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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.