Finding the Fourth Proportional to 4,403,478.20, 6,605,217.30 and 3,202,863.80
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Solution
The fourth proportional to 4,403,478.20, 6,605,217.30 and 3,202,863.80 is: 4,804,295.70
Step by Step Solution
- Step 1: Write the proportion equation
4,403,478.20 : 6,605,217.30 = 3,202,863.80 : x - Step 2: Convert to fraction form
4,403,478.20/6,605,217.30 = 3,202,863.80/x - Step 3: Cross multiply
4,403,478.20x = 6,605,217.30 × 3,202,863.80 - Step 4: Simplify right side
4,403,478.20x = 21,155,611,381,303.74 - Step 5: Solve for x
x = 21,155,611,381,303.74/4,403,478.20 - Step 6: Final answer
x = 4,804,295.70
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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.