Finding the Fourth Proportional to 7,048,539.12, 9,726,795.02 and 4,148,100.84
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Solution
The fourth proportional to 7,048,539.12, 9,726,795.02 and 4,148,100.84 is: 5,724,267.95
Step by Step Solution
- Step 1: Write the proportion equation
7,048,539.12 : 9,726,795.02 = 4,148,100.84 : x - Step 2: Convert to fraction form
7,048,539.12/9,726,795.02 = 4,148,100.84/x - Step 3: Cross multiply
7,048,539.12x = 9,726,795.02 × 4,148,100.84 - Step 4: Simplify right side
7,048,539.12x = 40,347,726,592,969.81 - Step 5: Solve for x
x = 40,347,726,592,969.81/7,048,539.12 - Step 6: Final answer
x = 5,724,267.95
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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.