Finding the Fourth Proportional to 5,007,307.84, 7,509,910.79 and 1,412,234.03
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Solution
The fourth proportional to 5,007,307.84, 7,509,910.79 and 1,412,234.03 is: 2,118,054.63
Step by Step Solution
- Step 1: Write the proportion equation
5,007,307.84 : 7,509,910.79 = 1,412,234.03 : x - Step 2: Convert to fraction form
5,007,307.84/7,509,910.79 = 1,412,234.03/x - Step 3: Cross multiply
5,007,307.84x = 7,509,910.79 × 1,412,234.03 - Step 4: Simplify right side
5,007,307.84x = 10,605,751,535,291.46 - Step 5: Solve for x
x = 10,605,751,535,291.46/5,007,307.84 - Step 6: Final answer
x = 2,118,054.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.