Finding the Fourth Proportional to 4,168,623.40, 6,243,603.90 and 2,489,007.40
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Solution
The fourth proportional to 4,168,623.40, 6,243,603.90 and 2,489,007.40 is: 3,727,939.61
Step by Step Solution
- Step 1: Write the proportion equation
4,168,623.40 : 6,243,603.90 = 2,489,007.40 : x - Step 2: Convert to fraction form
4,168,623.40/6,243,603.90 = 2,489,007.40/x - Step 3: Cross multiply
4,168,623.40x = 6,243,603.90 × 2,489,007.40 - Step 4: Simplify right side
4,168,623.40x = 15,540,376,309,768.86 - Step 5: Solve for x
x = 15,540,376,309,768.86/4,168,623.40 - Step 6: Final answer
x = 3,727,939.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.