Finding the Fourth Proportional to 2,078,933.53, 3,118,400.02 and 782,329.63
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Solution
The fourth proportional to 2,078,933.53, 3,118,400.02 and 782,329.63 is: 1,173,494.34
Step by Step Solution
- Step 1: Write the proportion equation
2,078,933.53 : 3,118,400.02 = 782,329.63 : x - Step 2: Convert to fraction form
2,078,933.53/3,118,400.02 = 782,329.63/x - Step 3: Cross multiply
2,078,933.53x = 3,118,400.02 × 782,329.63 - Step 4: Simplify right side
2,078,933.53x = 2,439,616,733,838.59 - Step 5: Solve for x
x = 2,439,616,733,838.59/2,078,933.53 - Step 6: Final answer
x = 1,173,494.34
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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.