Finding the Fourth Proportional to 5,277,828.06, 7,283,372.31 and 2,863,328.22
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Solution
The fourth proportional to 5,277,828.06, 7,283,372.31 and 2,863,328.22 is: 3,951,376.44
Step by Step Solution
- Step 1: Write the proportion equation
5,277,828.06 : 7,283,372.31 = 2,863,328.22 : x - Step 2: Convert to fraction form
5,277,828.06/7,283,372.31 = 2,863,328.22/x - Step 3: Cross multiply
5,277,828.06x = 7,283,372.31 × 2,863,328.22 - Step 4: Simplify right side
5,277,828.06x = 20,854,685,471,989.59 - Step 5: Solve for x
x = 20,854,685,471,989.59/5,277,828.06 - Step 6: Final answer
x = 3,951,376.44
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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.