Finding the Fourth Proportional to 2,135,102.70, 3,197,988.45 and 1,658,045.10
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Solution
The fourth proportional to 2,135,102.70, 3,197,988.45 and 1,658,045.10 is: 2,483,444.51
Step by Step Solution
- Step 1: Write the proportion equation
2,135,102.70 : 3,197,988.45 = 1,658,045.10 : x - Step 2: Convert to fraction form
2,135,102.70/3,197,988.45 = 1,658,045.10/x - Step 3: Cross multiply
2,135,102.70x = 3,197,988.45 × 1,658,045.10 - Step 4: Simplify right side
2,135,102.70x = 5,302,409,079,379.10 - Step 5: Solve for x
x = 5,302,409,079,379.10/2,135,102.70 - Step 6: Final answer
x = 2,483,444.51
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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.