Finding the Fourth Proportional to 3,127,553.88, 4,313,798.90 and 2,870,261.88
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Solution
The fourth proportional to 3,127,553.88, 4,313,798.90 and 2,870,261.88 is: 3,958,919.02
Step by Step Solution
- Step 1: Write the proportion equation
3,127,553.88 : 4,313,798.90 = 2,870,261.88 : x - Step 2: Convert to fraction form
3,127,553.88/4,313,798.90 = 2,870,261.88/x - Step 3: Cross multiply
3,127,553.88x = 4,313,798.90 × 2,870,261.88 - Step 4: Simplify right side
3,127,553.88x = 12,381,732,540,655.93 - Step 5: Solve for x
x = 12,381,732,540,655.93/3,127,553.88 - Step 6: Final answer
x = 3,958,919.02
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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.