Finding the Fourth Proportional to 5,012,109.50, 6,916,717.91 and 2,720,270.18
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Solution
The fourth proportional to 5,012,109.50, 6,916,717.91 and 2,720,270.18 is: 3,753,976.55
Step by Step Solution
- Step 1: Write the proportion equation
5,012,109.50 : 6,916,717.91 = 2,720,270.18 : x - Step 2: Convert to fraction form
5,012,109.50/6,916,717.91 = 2,720,270.18/x - Step 3: Cross multiply
5,012,109.50x = 6,916,717.91 × 2,720,270.18 - Step 4: Simplify right side
5,012,109.50x = 18,815,341,498,137.39 - Step 5: Solve for x
x = 18,815,341,498,137.39/5,012,109.50 - Step 6: Final answer
x = 3,753,976.55
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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.