Finding the Fourth Proportional to 5,414,897.40, 8,119,235.70 and 1,627,812.60
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Solution
The fourth proportional to 5,414,897.40, 8,119,235.70 and 1,627,812.60 is: 2,440,783.86
Step by Step Solution
- Step 1: Write the proportion equation
5,414,897.40 : 8,119,235.70 = 1,627,812.60 : x - Step 2: Convert to fraction form
5,414,897.40/8,119,235.70 = 1,627,812.60/x - Step 3: Cross multiply
5,414,897.40x = 8,119,235.70 × 1,627,812.60 - Step 4: Simplify right side
5,414,897.40x = 13,216,594,174,829.82 - Step 5: Solve for x
x = 13,216,594,174,829.82/5,414,897.40 - Step 6: Final answer
x = 2,440,783.86
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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.