Finding the Fourth Proportional to 2,388,187.98, 3,578,967.75 and 1,088,163.28
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Solution
The fourth proportional to 2,388,187.98, 3,578,967.75 and 1,088,163.28 is: 1,630,734.82
Step by Step Solution
- Step 1: Write the proportion equation
2,388,187.98 : 3,578,967.75 = 1,088,163.28 : x - Step 2: Convert to fraction form
2,388,187.98/3,578,967.75 = 1,088,163.28/x - Step 3: Cross multiply
2,388,187.98x = 3,578,967.75 × 1,088,163.28 - Step 4: Simplify right side
2,388,187.98x = 3,894,501,285,854.22 - Step 5: Solve for x
x = 3,894,501,285,854.22/2,388,187.98 - Step 6: Final answer
x = 1,630,734.82
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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.