Finding the Fourth Proportional to 4,248,066.60, 5,860,794.14 and 2,778,813.80
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Solution
The fourth proportional to 4,248,066.60, 5,860,794.14 and 2,778,813.80 is: 3,833,757.13
Step by Step Solution
- Step 1: Write the proportion equation
4,248,066.60 : 5,860,794.14 = 2,778,813.80 : x - Step 2: Convert to fraction form
4,248,066.60/5,860,794.14 = 2,778,813.80/x - Step 3: Cross multiply
4,248,066.60x = 5,860,794.14 × 2,778,813.80 - Step 4: Simplify right side
4,248,066.60x = 16,286,055,635,191.13 - Step 5: Solve for x
x = 16,286,055,635,191.13/4,248,066.60 - Step 6: Final answer
x = 3,833,757.13
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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.