Finding the Fourth Proportional to 3,038,928.24, 4,193,439.48 and 1,680,772.08
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Solution
The fourth proportional to 3,038,928.24, 4,193,439.48 and 1,680,772.08 is: 2,319,309.78
Step by Step Solution
- Step 1: Write the proportion equation
3,038,928.24 : 4,193,439.48 = 1,680,772.08 : x - Step 2: Convert to fraction form
3,038,928.24/4,193,439.48 = 1,680,772.08/x - Step 3: Cross multiply
3,038,928.24x = 4,193,439.48 × 1,680,772.08 - Step 4: Simplify right side
3,038,928.24x = 7,048,215,997,153.72 - Step 5: Solve for x
x = 7,048,215,997,153.72/3,038,928.24 - Step 6: Final answer
x = 2,319,309.78
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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.