Finding the Fourth Proportional to 5,417,038.56, 8,123,195.65 and 2,048,883.60
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Solution
The fourth proportional to 5,417,038.56, 8,123,195.65 and 2,048,883.60 is: 3,072,431.95
Step by Step Solution
- Step 1: Write the proportion equation
5,417,038.56 : 8,123,195.65 = 2,048,883.60 : x - Step 2: Convert to fraction form
5,417,038.56/8,123,195.65 = 2,048,883.60/x - Step 3: Cross multiply
5,417,038.56x = 8,123,195.65 × 2,048,883.60 - Step 4: Simplify right side
5,417,038.56x = 16,643,482,346,876.34 - Step 5: Solve for x
x = 16,643,482,346,876.34/5,417,038.56 - Step 6: Final answer
x = 3,072,431.95
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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.