Finding the Fourth Proportional to 3,957,894.68, 5,461,905.18 and 2,147,058.68
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Solution
The fourth proportional to 3,957,894.68, 5,461,905.18 and 2,147,058.68 is: 2,962,946.69
Step by Step Solution
- Step 1: Write the proportion equation
3,957,894.68 : 5,461,905.18 = 2,147,058.68 : x - Step 2: Convert to fraction form
3,957,894.68/5,461,905.18 = 2,147,058.68/x - Step 3: Cross multiply
3,957,894.68x = 5,461,905.18 × 2,147,058.68 - Step 4: Simplify right side
3,957,894.68x = 11,727,030,926,055.96 - Step 5: Solve for x
x = 11,727,030,926,055.96/3,957,894.68 - Step 6: Final answer
x = 2,962,946.69
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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.