Finding the Fourth Proportional to 2,102,502.12, 3,142,234.08 and 1,535,079.54
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Solution
The fourth proportional to 2,102,502.12, 3,142,234.08 and 1,535,079.54 is: 2,294,208.98
Step by Step Solution
- Step 1: Write the proportion equation
2,102,502.12 : 3,142,234.08 = 1,535,079.54 : x - Step 2: Convert to fraction form
2,102,502.12/3,142,234.08 = 1,535,079.54/x - Step 3: Cross multiply
2,102,502.12x = 3,142,234.08 × 1,535,079.54 - Step 4: Simplify right side
2,102,502.12x = 4,823,579,246,098.72 - Step 5: Solve for x
x = 4,823,579,246,098.72/2,102,502.12 - Step 6: Final answer
x = 2,294,208.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.