Finding the Fourth Proportional to 1,792,008.32, 2,689,351.15 and 1,214,261.70
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Solution
The fourth proportional to 1,792,008.32, 2,689,351.15 and 1,214,261.70 is: 1,822,299.63
Step by Step Solution
- Step 1: Write the proportion equation
1,792,008.32 : 2,689,351.15 = 1,214,261.70 : x - Step 2: Convert to fraction form
1,792,008.32/2,689,351.15 = 1,214,261.70/x - Step 3: Cross multiply
1,792,008.32x = 2,689,351.15 × 1,214,261.70 - Step 4: Simplify right side
1,792,008.32x = 3,265,576,102,331.61 - Step 5: Solve for x
x = 3,265,576,102,331.61/1,792,008.32 - Step 6: Final answer
x = 1,822,299.63
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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.