Finding the Fourth Proportional to 1,224,463.87, 1,836,829.74 and 415,432.42
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Solution
The fourth proportional to 1,224,463.87, 1,836,829.74 and 415,432.42 is: 623,194.07
Step by Step Solution
- Step 1: Write the proportion equation
1,224,463.87 : 1,836,829.74 = 415,432.42 : x - Step 2: Convert to fraction form
1,224,463.87/1,836,829.74 = 415,432.42/x - Step 3: Cross multiply
1,224,463.87x = 1,836,829.74 × 415,432.42 - Step 4: Simplify right side
1,224,463.87x = 763,078,624,016.17 - Step 5: Solve for x
x = 763,078,624,016.17/1,224,463.87 - Step 6: Final answer
x = 623,194.07
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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.