Finding the Fourth Proportional to 1,389,051.60, 2,083,807.80 and 547,630.80
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Solution
The fourth proportional to 1,389,051.60, 2,083,807.80 and 547,630.80 is: 821,537.03
Step by Step Solution
- Step 1: Write the proportion equation
1,389,051.60 : 2,083,807.80 = 547,630.80 : x - Step 2: Convert to fraction form
1,389,051.60/2,083,807.80 = 547,630.80/x - Step 3: Cross multiply
1,389,051.60x = 2,083,807.80 × 547,630.80 - Step 4: Simplify right side
1,389,051.60x = 1,141,157,332,560.24 - Step 5: Solve for x
x = 1,141,157,332,560.24/1,389,051.60 - Step 6: Final answer
x = 821,537.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.