Finding the Fourth Proportional to 3,879,773.60, 5,354,084.04 and 2,249,125.12
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Solution
The fourth proportional to 3,879,773.60, 5,354,084.04 and 2,249,125.12 is: 3,103,790.62
Step by Step Solution
- Step 1: Write the proportion equation
3,879,773.60 : 5,354,084.04 = 2,249,125.12 : x - Step 2: Convert to fraction form
3,879,773.60/5,354,084.04 = 2,249,125.12/x - Step 3: Cross multiply
3,879,773.60x = 5,354,084.04 × 2,249,125.12 - Step 4: Simplify right side
3,879,773.60x = 12,042,004,908,955.09 - Step 5: Solve for x
x = 12,042,004,908,955.09/3,879,773.60 - Step 6: Final answer
x = 3,103,790.62
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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.