Finding the Fourth Proportional to 1,684,323.18, 2,324,371.86 and 920,376.72
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Solution
The fourth proportional to 1,684,323.18, 2,324,371.86 and 920,376.72 is: 1,270,123.08
Step by Step Solution
- Step 1: Write the proportion equation
1,684,323.18 : 2,324,371.86 = 920,376.72 : x - Step 2: Convert to fraction form
1,684,323.18/2,324,371.86 = 920,376.72/x - Step 3: Cross multiply
1,684,323.18x = 2,324,371.86 × 920,376.72 - Step 4: Simplify right side
1,684,323.18x = 2,139,297,748,567.10 - Step 5: Solve for x
x = 2,139,297,748,567.10/1,684,323.18 - Step 6: Final answer
x = 1,270,123.08
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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.