Finding the Fourth Proportional to 3,692,674.80, 5,539,789.80 and 1,168,585.20
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Solution
The fourth proportional to 3,692,674.80, 5,539,789.80 and 1,168,585.20 is: 1,753,123.88
Step by Step Solution
- Step 1: Write the proportion equation
3,692,674.80 : 5,539,789.80 = 1,168,585.20 : x - Step 2: Convert to fraction form
3,692,674.80/5,539,789.80 = 1,168,585.20/x - Step 3: Cross multiply
3,692,674.80x = 5,539,789.80 × 1,168,585.20 - Step 4: Simplify right side
3,692,674.80x = 6,473,716,371,390.96 - Step 5: Solve for x
x = 6,473,716,371,390.96/3,692,674.80 - Step 6: Final answer
x = 1,753,123.88
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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.