Finding the Fourth Proportional to 1,517,518.80, 2,276,278.20 and 395,587.80
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Solution
The fourth proportional to 1,517,518.80, 2,276,278.20 and 395,587.80 is: 593,381.70
Step by Step Solution
- Step 1: Write the proportion equation
1,517,518.80 : 2,276,278.20 = 395,587.80 : x - Step 2: Convert to fraction form
1,517,518.80/2,276,278.20 = 395,587.80/x - Step 3: Cross multiply
1,517,518.80x = 2,276,278.20 × 395,587.80 - Step 4: Simplify right side
1,517,518.80x = 900,467,885,325.96 - Step 5: Solve for x
x = 900,467,885,325.96/1,517,518.80 - Step 6: Final answer
x = 593,381.70
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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.