Finding the Fourth Proportional to 4,290,409.08, 6,435,609.90 and 1,095,535.80
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Solution
The fourth proportional to 4,290,409.08, 6,435,609.90 and 1,095,535.80 is: 1,643,302.75
Step by Step Solution
- Step 1: Write the proportion equation
4,290,409.08 : 6,435,609.90 = 1,095,535.80 : x - Step 2: Convert to fraction form
4,290,409.08/6,435,609.90 = 1,095,535.80/x - Step 3: Cross multiply
4,290,409.08x = 6,435,609.90 × 1,095,535.80 - Step 4: Simplify right side
4,290,409.08x = 7,050,441,040,284.42 - Step 5: Solve for x
x = 7,050,441,040,284.42/4,290,409.08 - Step 6: Final answer
x = 1,643,302.75
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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.