Finding the Fourth Proportional to 2,378,455.56, 3,282,270.78 and 1,290,727.14
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Solution
The fourth proportional to 2,378,455.56, 3,282,270.78 and 1,290,727.14 is: 1,781,204.60
Step by Step Solution
- Step 1: Write the proportion equation
2,378,455.56 : 3,282,270.78 = 1,290,727.14 : x - Step 2: Convert to fraction form
2,378,455.56/3,282,270.78 = 1,290,727.14/x - Step 3: Cross multiply
2,378,455.56x = 3,282,270.78 × 1,290,727.14 - Step 4: Simplify right side
2,378,455.56x = 4,236,515,976,574.97 - Step 5: Solve for x
x = 4,236,515,976,574.97/2,378,455.56 - Step 6: Final answer
x = 1,781,204.60
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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.