Finding the Fourth Proportional to 1,900,632.36, 2,622,875.84 and 1,041,173.88
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Solution
The fourth proportional to 1,900,632.36, 2,622,875.84 and 1,041,173.88 is: 1,436,821.70
Step by Step Solution
- Step 1: Write the proportion equation
1,900,632.36 : 2,622,875.84 = 1,041,173.88 : x - Step 2: Convert to fraction form
1,900,632.36/2,622,875.84 = 1,041,173.88/x - Step 3: Cross multiply
1,900,632.36x = 2,622,875.84 × 1,041,173.88 - Step 4: Simplify right side
1,900,632.36x = 2,730,869,815,091.06 - Step 5: Solve for x
x = 2,730,869,815,091.06/1,900,632.36 - Step 6: Final answer
x = 1,436,821.70
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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.