Finding the Fourth Proportional to 4,971,771.78, 6,860,977.33 and 2,796,314.07
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Solution
The fourth proportional to 4,971,771.78, 6,860,977.33 and 2,796,314.07 is: 3,858,875.32
Step by Step Solution
- Step 1: Write the proportion equation
4,971,771.78 : 6,860,977.33 = 2,796,314.07 : x - Step 2: Convert to fraction form
4,971,771.78/6,860,977.33 = 2,796,314.07/x - Step 3: Cross multiply
4,971,771.78x = 6,860,977.33 × 2,796,314.07 - Step 4: Simplify right side
4,971,771.78x = 19,185,447,441,830.03 - Step 5: Solve for x
x = 19,185,447,441,830.03/4,971,771.78 - Step 6: Final answer
x = 3,858,875.32
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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.