Finding the Fourth Proportional to 1,437,436.86, 2,155,688.70 and 477,634.68
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Solution
The fourth proportional to 1,437,436.86, 2,155,688.70 and 477,634.68 is: 716,296.98
Step by Step Solution
- Step 1: Write the proportion equation
1,437,436.86 : 2,155,688.70 = 477,634.68 : x - Step 2: Convert to fraction form
1,437,436.86/2,155,688.70 = 477,634.68/x - Step 3: Cross multiply
1,437,436.86x = 2,155,688.70 × 477,634.68 - Step 4: Simplify right side
1,437,436.86x = 1,029,631,682,404.12 - Step 5: Solve for x
x = 1,029,631,682,404.12/1,437,436.86 - Step 6: Final answer
x = 716,296.98
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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.