Finding the Fourth Proportional to 4,768,539.78, 6,580,757.94 and 2,731,742.94
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Solution
The fourth proportional to 4,768,539.78, 6,580,757.94 and 2,731,742.94 is: 3,769,904.39
Step by Step Solution
- Step 1: Write the proportion equation
4,768,539.78 : 6,580,757.94 = 2,731,742.94 : x - Step 2: Convert to fraction form
4,768,539.78/6,580,757.94 = 2,731,742.94/x - Step 3: Cross multiply
4,768,539.78x = 6,580,757.94 × 2,731,742.94 - Step 4: Simplify right side
4,768,539.78x = 17,976,939,042,443.95 - Step 5: Solve for x
x = 17,976,939,042,443.95/4,768,539.78 - Step 6: Final answer
x = 3,769,904.39
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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.