Finding the Fourth Proportional to 6,312,385.44, 8,711,088.16 and 3,411,776.44
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Solution
The fourth proportional to 6,312,385.44, 8,711,088.16 and 3,411,776.44 is: 4,708,249.46
Step by Step Solution
- Step 1: Write the proportion equation
6,312,385.44 : 8,711,088.16 = 3,411,776.44 : x - Step 2: Convert to fraction form
6,312,385.44/8,711,088.16 = 3,411,776.44/x - Step 3: Cross multiply
6,312,385.44x = 8,711,088.16 × 3,411,776.44 - Step 4: Simplify right side
6,312,385.44x = 29,720,285,351,050.95 - Step 5: Solve for x
x = 29,720,285,351,050.95/6,312,385.44 - Step 6: Final answer
x = 4,708,249.46
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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.