Finding the Fourth Proportional to 2,154,583.08, 2,973,344.85 and 1,187,747.94
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Solution
The fourth proportional to 2,154,583.08, 2,973,344.85 and 1,187,747.94 is: 1,639,103.30
Step by Step Solution
- Step 1: Write the proportion equation
2,154,583.08 : 2,973,344.85 = 1,187,747.94 : x - Step 2: Convert to fraction form
2,154,583.08/2,973,344.85 = 1,187,747.94/x - Step 3: Cross multiply
2,154,583.08x = 2,973,344.85 × 1,187,747.94 - Step 4: Simplify right side
2,154,583.08x = 3,531,584,220,497.11 - Step 5: Solve for x
x = 3,531,584,220,497.11/2,154,583.08 - Step 6: Final answer
x = 1,639,103.30
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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.