Finding the Fourth Proportional to 3,153,081.24, 4,351,252.05 and 1,702,776.60
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Solution
The fourth proportional to 3,153,081.24, 4,351,252.05 and 1,702,776.60 is: 2,349,831.67
Step by Step Solution
- Step 1: Write the proportion equation
3,153,081.24 : 4,351,252.05 = 1,702,776.60 : x - Step 2: Convert to fraction form
3,153,081.24/4,351,252.05 = 1,702,776.60/x - Step 3: Cross multiply
3,153,081.24x = 4,351,252.05 × 1,702,776.60 - Step 4: Simplify right side
3,153,081.24x = 7,409,210,171,442.03 - Step 5: Solve for x
x = 7,409,210,171,442.03/3,153,081.24 - Step 6: Final answer
x = 2,349,831.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.