Finding the Fourth Proportional to 4,317,203.02, 6,475,715.60 and 1,438,778.87
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Solution
The fourth proportional to 4,317,203.02, 6,475,715.60 and 1,438,778.87 is: 2,158,138.67
Step by Step Solution
- Step 1: Write the proportion equation
4,317,203.02 : 6,475,715.60 = 1,438,778.87 : x - Step 2: Convert to fraction form
4,317,203.02/6,475,715.60 = 1,438,778.87/x - Step 3: Cross multiply
4,317,203.02x = 6,475,715.60 × 1,438,778.87 - Step 4: Simplify right side
4,317,203.02x = 9,317,122,773,409.37 - Step 5: Solve for x
x = 9,317,122,773,409.37/4,317,203.02 - Step 6: Final answer
x = 2,158,138.67
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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.