Finding the Fourth Proportional to 4,743,341.64, 7,114,986.90 and 1,149,106.76
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Solution
The fourth proportional to 4,743,341.64, 7,114,986.90 and 1,149,106.76 is: 1,723,653.95
Step by Step Solution
- Step 1: Write the proportion equation
4,743,341.64 : 7,114,986.90 = 1,149,106.76 : x - Step 2: Convert to fraction form
4,743,341.64/7,114,986.90 = 1,149,106.76/x - Step 3: Cross multiply
4,743,341.64x = 7,114,986.90 × 1,149,106.76 - Step 4: Simplify right side
4,743,341.64x = 8,175,879,544,101.44 - Step 5: Solve for x
x = 8,175,879,544,101.44/4,743,341.64 - Step 6: Final answer
x = 1,723,653.95
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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.