Finding the Fourth Proportional to 4,277,120.64, 6,415,625.57 and 1,038,684.85
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Solution
The fourth proportional to 4,277,120.64, 6,415,625.57 and 1,038,684.85 is: 1,558,013.82
Step by Step Solution
- Step 1: Write the proportion equation
4,277,120.64 : 6,415,625.57 = 1,038,684.85 : x - Step 2: Convert to fraction form
4,277,120.64/6,415,625.57 = 1,038,684.85/x - Step 3: Cross multiply
4,277,120.64x = 6,415,625.57 × 1,038,684.85 - Step 4: Simplify right side
4,277,120.64x = 6,663,813,061,599.13 - Step 5: Solve for x
x = 6,663,813,061,599.13/4,277,120.64 - Step 6: Final answer
x = 1,558,013.82
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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.