Finding the Fourth Proportional to 4,614,363.36, 6,921,562.05 and 1,419,467.40
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Solution
The fourth proportional to 4,614,363.36, 6,921,562.05 and 1,419,467.40 is: 2,129,206.33
Step by Step Solution
- Step 1: Write the proportion equation
4,614,363.36 : 6,921,562.05 = 1,419,467.40 : x - Step 2: Convert to fraction form
4,614,363.36/6,921,562.05 = 1,419,467.40/x - Step 3: Cross multiply
4,614,363.36x = 6,921,562.05 × 1,419,467.40 - Step 4: Simplify right side
4,614,363.36x = 9,824,931,687,052.17 - Step 5: Solve for x
x = 9,824,931,687,052.17/4,614,363.36 - Step 6: Final answer
x = 2,129,206.33
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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.