Finding the Fourth Proportional to 4,787,813.64, 6,607,173.18 and 2,612,355.60
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Solution
The fourth proportional to 4,787,813.64, 6,607,173.18 and 2,612,355.60 is: 3,605,045.47
Step by Step Solution
- Step 1: Write the proportion equation
4,787,813.64 : 6,607,173.18 = 2,612,355.60 : x - Step 2: Convert to fraction form
4,787,813.64/6,607,173.18 = 2,612,355.60/x - Step 3: Cross multiply
4,787,813.64x = 6,607,173.18 × 2,612,355.60 - Step 4: Simplify right side
4,787,813.64x = 17,260,285,856,942.81 - Step 5: Solve for x
x = 17,260,285,856,942.81/4,787,813.64 - Step 6: Final answer
x = 3,605,045.47
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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.