Finding the Fourth Proportional to 7,409,619.69, 11,115,488.47 and 2,292,486.58
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Solution
The fourth proportional to 7,409,619.69, 11,115,488.47 and 2,292,486.58 is: 3,439,057.50
Step by Step Solution
- Step 1: Write the proportion equation
7,409,619.69 : 11,115,488.47 = 2,292,486.58 : x - Step 2: Convert to fraction form
7,409,619.69/11,115,488.47 = 2,292,486.58/x - Step 3: Cross multiply
7,409,619.69x = 11,115,488.47 × 2,292,486.58 - Step 4: Simplify right side
7,409,619.69x = 25,482,108,147,619.73 - Step 5: Solve for x
x = 25,482,108,147,619.73/7,409,619.69 - Step 6: Final answer
x = 3,439,057.50
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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.