Finding the Fourth Proportional to 3,234,379.40, 4,851,569.10 and 1,103,949.80
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Solution
The fourth proportional to 3,234,379.40, 4,851,569.10 and 1,103,949.80 is: 1,655,924.70
Step by Step Solution
- Step 1: Write the proportion equation
3,234,379.40 : 4,851,569.10 = 1,103,949.80 : x - Step 2: Convert to fraction form
3,234,379.40/4,851,569.10 = 1,103,949.80/x - Step 3: Cross multiply
3,234,379.40x = 4,851,569.10 × 1,103,949.80 - Step 4: Simplify right side
3,234,379.40x = 5,355,888,737,631.18 - Step 5: Solve for x
x = 5,355,888,737,631.18/3,234,379.40 - Step 6: Final answer
x = 1,655,924.70
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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.