Finding the Fourth Proportional to 1,509,417.76, 2,264,126.68 and 387,486.80
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Solution
The fourth proportional to 1,509,417.76, 2,264,126.68 and 387,486.80 is: 581,230.21
Step by Step Solution
- Step 1: Write the proportion equation
1,509,417.76 : 2,264,126.68 = 387,486.80 : x - Step 2: Convert to fraction form
1,509,417.76/2,264,126.68 = 387,486.80/x - Step 3: Cross multiply
1,509,417.76x = 2,264,126.68 × 387,486.80 - Step 4: Simplify right side
1,509,417.76x = 877,319,202,027.82 - Step 5: Solve for x
x = 877,319,202,027.82/1,509,417.76 - Step 6: Final answer
x = 581,230.21
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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.