Finding the Fourth Proportional to 1,580,843.79, 2,181,606.75 and 960,437.79
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Solution
The fourth proportional to 1,580,843.79, 2,181,606.75 and 960,437.79 is: 1,325,429.86
Step by Step Solution
- Step 1: Write the proportion equation
1,580,843.79 : 2,181,606.75 = 960,437.79 : x - Step 2: Convert to fraction form
1,580,843.79/2,181,606.75 = 960,437.79/x - Step 3: Cross multiply
1,580,843.79x = 2,181,606.75 × 960,437.79 - Step 4: Simplify right side
1,580,843.79x = 2,095,297,565,619.08 - Step 5: Solve for x
x = 2,095,297,565,619.08/1,580,843.79 - Step 6: Final answer
x = 1,325,429.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.