Finding the Fourth Proportional to 5,184,831.60, 7,777,247.40 and 3,292,930.80
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Solution
The fourth proportional to 5,184,831.60, 7,777,247.40 and 3,292,930.80 is: 4,939,396.20
Step by Step Solution
- Step 1: Write the proportion equation
5,184,831.60 : 7,777,247.40 = 3,292,930.80 : x - Step 2: Convert to fraction form
5,184,831.60/7,777,247.40 = 3,292,930.80/x - Step 3: Cross multiply
5,184,831.60x = 7,777,247.40 × 3,292,930.80 - Step 4: Simplify right side
5,184,831.60x = 25,609,937,502,679.92 - Step 5: Solve for x
x = 25,609,937,502,679.92/5,184,831.60 - Step 6: Final answer
x = 4,939,396.20
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1.5x scale
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.