Finding the Fourth Proportional to 4,816,553.56, 7,219,772.87 and 1,620,570.17
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Solution
The fourth proportional to 4,816,553.56, 7,219,772.87 and 1,620,570.17 is: 2,429,153.63
Step by Step Solution
- Step 1: Write the proportion equation
4,816,553.56 : 7,219,772.87 = 1,620,570.17 : x - Step 2: Convert to fraction form
4,816,553.56/7,219,772.87 = 1,620,570.17/x - Step 3: Cross multiply
4,816,553.56x = 7,219,772.87 × 1,620,570.17 - Step 4: Simplify right side
4,816,553.56x = 11,700,148,547,297.29 - Step 5: Solve for x
x = 11,700,148,547,297.29/4,816,553.56 - Step 6: Final answer
x = 2,429,153.63
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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.