Finding the Fourth Proportional to 5,278,741.95, 7,282,971.02 and 2,955,293.00
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Solution
The fourth proportional to 5,278,741.95, 7,282,971.02 and 2,955,293.00 is: 4,077,356.59
Step by Step Solution
- Step 1: Write the proportion equation
5,278,741.95 : 7,282,971.02 = 2,955,293.00 : x - Step 2: Convert to fraction form
5,278,741.95/7,282,971.02 = 2,955,293.00/x - Step 3: Cross multiply
5,278,741.95x = 7,282,971.02 × 2,955,293.00 - Step 4: Simplify right side
5,278,741.95x = 21,523,313,272,893.38 - Step 5: Solve for x
x = 21,523,313,272,893.38/5,278,741.95 - Step 6: Final answer
x = 4,077,356.59
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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.