Finding the Fourth Proportional to 2,288,070.74, 3,157,538.10 and 1,269,473.06
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Solution
The fourth proportional to 2,288,070.74, 3,157,538.10 and 1,269,473.06 is: 1,751,873.09
Step by Step Solution
- Step 1: Write the proportion equation
2,288,070.74 : 3,157,538.10 = 1,269,473.06 : x - Step 2: Convert to fraction form
2,288,070.74/3,157,538.10 = 1,269,473.06/x - Step 3: Cross multiply
2,288,070.74x = 3,157,538.10 × 1,269,473.06 - Step 4: Simplify right side
2,288,070.74x = 4,008,409,553,873.59 - Step 5: Solve for x
x = 4,008,409,553,873.59/2,288,070.74 - Step 6: Final answer
x = 1,751,873.09
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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.