Finding the Fourth Proportional to 2,067,831.60, 3,101,748.53 and 647,998.80
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Solution
The fourth proportional to 2,067,831.60, 3,101,748.53 and 647,998.80 is: 971,998.55
Step by Step Solution
- Step 1: Write the proportion equation
2,067,831.60 : 3,101,748.53 = 647,998.80 : x - Step 2: Convert to fraction form
2,067,831.60/3,101,748.53 = 647,998.80/x - Step 3: Cross multiply
2,067,831.60x = 3,101,748.53 × 647,998.80 - Step 4: Simplify right side
2,067,831.60x = 2,009,929,322,101.77 - Step 5: Solve for x
x = 2,009,929,322,101.77/2,067,831.60 - Step 6: Final answer
x = 971,998.55
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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.