Finding the Fourth Proportional to 3,326,868.40, 4,990,302.60 and 2,417,513.80
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Solution
The fourth proportional to 3,326,868.40, 4,990,302.60 and 2,417,513.80 is: 3,626,270.70
Step by Step Solution
- Step 1: Write the proportion equation
3,326,868.40 : 4,990,302.60 = 2,417,513.80 : x - Step 2: Convert to fraction form
3,326,868.40/4,990,302.60 = 2,417,513.80/x - Step 3: Cross multiply
3,326,868.40x = 4,990,302.60 × 2,417,513.80 - Step 4: Simplify right side
3,326,868.40x = 12,064,125,401,675.88 - Step 5: Solve for x
x = 12,064,125,401,675.88/3,326,868.40 - Step 6: Final answer
x = 3,626,270.70
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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.