Finding the Fourth Proportional to 1,998,614.28, 2,758,354.50 and 1,127,627.76
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Solution
The fourth proportional to 1,998,614.28, 2,758,354.50 and 1,127,627.76 is: 1,556,276.84
Step by Step Solution
- Step 1: Write the proportion equation
1,998,614.28 : 2,758,354.50 = 1,127,627.76 : x - Step 2: Convert to fraction form
1,998,614.28/2,758,354.50 = 1,127,627.76/x - Step 3: Cross multiply
1,998,614.28x = 2,758,354.50 × 1,127,627.76 - Step 4: Simplify right side
1,998,614.28x = 3,110,397,106,120.92 - Step 5: Solve for x
x = 3,110,397,106,120.92/1,998,614.28 - Step 6: Final answer
x = 1,556,276.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.