Finding the Fourth Proportional to 4,493,871.30, 6,739,828.49 and 1,211,149.14
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Solution
The fourth proportional to 4,493,871.30, 6,739,828.49 and 1,211,149.14 is: 1,816,460.01
Step by Step Solution
- Step 1: Write the proportion equation
4,493,871.30 : 6,739,828.49 = 1,211,149.14 : x - Step 2: Convert to fraction form
4,493,871.30/6,739,828.49 = 1,211,149.14/x - Step 3: Cross multiply
4,493,871.30x = 6,739,828.49 × 1,211,149.14 - Step 4: Simplify right side
4,493,871.30x = 8,162,937,506,577.78 - Step 5: Solve for x
x = 8,162,937,506,577.78/4,493,871.30 - Step 6: Final answer
x = 1,816,460.01
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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.