Finding the Fourth Proportional to 4,124,553.08, 6,185,353.23 and 1,428,154.20
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Solution
The fourth proportional to 4,124,553.08, 6,185,353.23 and 1,428,154.20 is: 2,141,720.09
Step by Step Solution
- Step 1: Write the proportion equation
4,124,553.08 : 6,185,353.23 = 1,428,154.20 : x - Step 2: Convert to fraction form
4,124,553.08/6,185,353.23 = 1,428,154.20/x - Step 3: Cross multiply
4,124,553.08x = 6,185,353.23 × 1,428,154.20 - Step 4: Simplify right side
4,124,553.08x = 8,833,638,193,908.07 - Step 5: Solve for x
x = 8,833,638,193,908.07/4,124,553.08 - Step 6: Final answer
x = 2,141,720.09
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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.