Finding the Fourth Proportional to 1,775,956.20, 2,662,184.70 and 877,536.60
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Solution
The fourth proportional to 1,775,956.20, 2,662,184.70 and 877,536.60 is: 1,315,440.39
Step by Step Solution
- Step 1: Write the proportion equation
1,775,956.20 : 2,662,184.70 = 877,536.60 : x - Step 2: Convert to fraction form
1,775,956.20/2,662,184.70 = 877,536.60/x - Step 3: Cross multiply
1,775,956.20x = 2,662,184.70 × 877,536.60 - Step 4: Simplify right side
1,775,956.20x = 2,336,164,510,210.02 - Step 5: Solve for x
x = 2,336,164,510,210.02/1,775,956.20 - Step 6: Final answer
x = 1,315,440.39
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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.