Finding the Fourth Proportional to 1,523,450.08, 2,101,269.36 and 1,006,605.28
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Solution
The fourth proportional to 1,523,450.08, 2,101,269.36 and 1,006,605.28 is: 1,388,393.92
Step by Step Solution
- Step 1: Write the proportion equation
1,523,450.08 : 2,101,269.36 = 1,006,605.28 : x - Step 2: Convert to fraction form
1,523,450.08/2,101,269.36 = 1,006,605.28/x - Step 3: Cross multiply
1,523,450.08x = 2,101,269.36 × 1,006,605.28 - Step 4: Simplify right side
1,523,450.08x = 2,115,148,832,478.22 - Step 5: Solve for x
x = 2,115,148,832,478.22/1,523,450.08 - Step 6: Final answer
x = 1,388,393.92
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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.