Finding the Fourth Proportional to 5,638,885.97, 7,781,668.39 and 3,060,567.27
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Solution
The fourth proportional to 5,638,885.97, 7,781,668.39 and 3,060,567.27 is: 4,223,585.96
Step by Step Solution
- Step 1: Write the proportion equation
5,638,885.97 : 7,781,668.39 = 3,060,567.27 : x - Step 2: Convert to fraction form
5,638,885.97/7,781,668.39 = 3,060,567.27/x - Step 3: Cross multiply
5,638,885.97x = 7,781,668.39 × 3,060,567.27 - Step 4: Simplify right side
5,638,885.97x = 23,816,319,572,776.18 - Step 5: Solve for x
x = 23,816,319,572,776.18/5,638,885.97 - Step 6: Final answer
x = 4,223,585.96
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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.