Finding the Fourth Proportional to 5,221,485.23, 7,833,831.38 and 2,492,514.95
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Solution
The fourth proportional to 5,221,485.23, 7,833,831.38 and 2,492,514.95 is: 3,739,537.88
Step by Step Solution
- Step 1: Write the proportion equation
5,221,485.23 : 7,833,831.38 = 2,492,514.95 : x - Step 2: Convert to fraction form
5,221,485.23/7,833,831.38 = 2,492,514.95/x - Step 3: Cross multiply
5,221,485.23x = 7,833,831.38 × 2,492,514.95 - Step 4: Simplify right side
5,221,485.23x = 19,525,941,817,966.56 - Step 5: Solve for x
x = 19,525,941,817,966.56/5,221,485.23 - Step 6: Final answer
x = 3,739,537.88
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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.