Finding the Fourth Proportional to 5,539,381.67, 7,645,622.19 and 3,248,280.47
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Solution
The fourth proportional to 5,539,381.67, 7,645,622.19 and 3,248,280.47 is: 4,483,374.99
Step by Step Solution
- Step 1: Write the proportion equation
5,539,381.67 : 7,645,622.19 = 3,248,280.47 : x - Step 2: Convert to fraction form
5,539,381.67/7,645,622.19 = 3,248,280.47/x - Step 3: Cross multiply
5,539,381.67x = 7,645,622.19 × 3,248,280.47 - Step 4: Simplify right side
5,539,381.67x = 24,835,125,240,775.63 - Step 5: Solve for x
x = 24,835,125,240,775.63/5,539,381.67 - Step 6: Final answer
x = 4,483,374.99
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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.