Finding the Fourth Proportional to 5,472,939.68, 8,210,621.04 and 1,878,626.08
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Solution
The fourth proportional to 5,472,939.68, 8,210,621.04 and 1,878,626.08 is: 2,818,354.98
Step by Step Solution
- Step 1: Write the proportion equation
5,472,939.68 : 8,210,621.04 = 1,878,626.08 : x - Step 2: Convert to fraction form
5,472,939.68/8,210,621.04 = 1,878,626.08/x - Step 3: Cross multiply
5,472,939.68x = 8,210,621.04 × 1,878,626.08 - Step 4: Simplify right side
5,472,939.68x = 15,424,686,818,740.72 - Step 5: Solve for x
x = 15,424,686,818,740.72/5,472,939.68 - Step 6: Final answer
x = 2,818,354.98
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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.