Finding the Fourth Proportional to 2,811,178.08, 4,217,554.08 and 1,129,462.56
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Solution
The fourth proportional to 2,811,178.08, 4,217,554.08 and 1,129,462.56 is: 1,694,510.02
Step by Step Solution
- Step 1: Write the proportion equation
2,811,178.08 : 4,217,554.08 = 1,129,462.56 : x - Step 2: Convert to fraction form
2,811,178.08/4,217,554.08 = 1,129,462.56/x - Step 3: Cross multiply
2,811,178.08x = 4,217,554.08 × 1,129,462.56 - Step 4: Simplify right side
2,811,178.08x = 4,763,569,428,135.25 - Step 5: Solve for x
x = 4,763,569,428,135.25/2,811,178.08 - Step 6: Final answer
x = 1,694,510.02
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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.