Finding the Fourth Proportional to 3,610,147.20, 5,415,179.02 and 877,710.10
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Solution
The fourth proportional to 3,610,147.20, 5,415,179.02 and 877,710.10 is: 1,316,554.99
Step by Step Solution
- Step 1: Write the proportion equation
3,610,147.20 : 5,415,179.02 = 877,710.10 : x - Step 2: Convert to fraction form
3,610,147.20/5,415,179.02 = 877,710.10/x - Step 3: Cross multiply
3,610,147.20x = 5,415,179.02 × 877,710.10 - Step 4: Simplify right side
3,610,147.20x = 4,752,957,319,162.10 - Step 5: Solve for x
x = 4,752,957,319,162.10/3,610,147.20 - Step 6: Final answer
x = 1,316,554.99
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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.