Finding the Fourth Proportional to 4,181,779.08, 6,270,979.86 and 1,621,646.28
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Solution
The fourth proportional to 4,181,779.08, 6,270,979.86 and 1,621,646.28 is: 2,431,814.54
Step by Step Solution
- Step 1: Write the proportion equation
4,181,779.08 : 6,270,979.86 = 1,621,646.28 : x - Step 2: Convert to fraction form
4,181,779.08/6,270,979.86 = 1,621,646.28/x - Step 3: Cross multiply
4,181,779.08x = 6,270,979.86 × 1,621,646.28 - Step 4: Simplify right side
4,181,779.08x = 10,169,311,161,923.92 - Step 5: Solve for x
x = 10,169,311,161,923.92/4,181,779.08 - Step 6: Final answer
x = 2,431,814.54
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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.