Finding the Fourth Proportional to 1,384,516.90, 2,073,276.14 and 1,104,580.90
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Solution
The fourth proportional to 1,384,516.90, 2,073,276.14 and 1,104,580.90 is: 1,654,079.65
Step by Step Solution
- Step 1: Write the proportion equation
1,384,516.90 : 2,073,276.14 = 1,104,580.90 : x - Step 2: Convert to fraction form
1,384,516.90/2,073,276.14 = 1,104,580.90/x - Step 3: Cross multiply
1,384,516.90x = 2,073,276.14 × 1,104,580.90 - Step 4: Simplify right side
1,384,516.90x = 2,290,101,224,669.73 - Step 5: Solve for x
x = 2,290,101,224,669.73/1,384,516.90 - Step 6: Final answer
x = 1,654,079.65
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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.