Finding the Fourth Proportional to 7,302,153.76, 10,952,926.09 and 1,910,684.81
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Solution
The fourth proportional to 7,302,153.76, 10,952,926.09 and 1,910,684.81 is: 2,865,947.53
Step by Step Solution
- Step 1: Write the proportion equation
7,302,153.76 : 10,952,926.09 = 1,910,684.81 : x - Step 2: Convert to fraction form
7,302,153.76/10,952,926.09 = 1,910,684.81/x - Step 3: Cross multiply
7,302,153.76x = 10,952,926.09 × 1,910,684.81 - Step 4: Simplify right side
7,302,153.76x = 20,927,589,537,374.72 - Step 5: Solve for x
x = 20,927,589,537,374.72/7,302,153.76 - Step 6: Final answer
x = 2,865,947.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.