Finding the Fourth Proportional to 4,419,330.55, 6,629,275.98 and 1,386,816.07
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Solution
The fourth proportional to 4,419,330.55, 6,629,275.98 and 1,386,816.07 is: 2,080,312.02
Step by Step Solution
- Step 1: Write the proportion equation
4,419,330.55 : 6,629,275.98 = 1,386,816.07 : x - Step 2: Convert to fraction form
4,419,330.55/6,629,275.98 = 1,386,816.07/x - Step 3: Cross multiply
4,419,330.55x = 6,629,275.98 × 1,386,816.07 - Step 4: Simplify right side
4,419,330.55x = 9,193,586,461,529 - Step 5: Solve for x
x = 9,193,586,461,529/4,419,330.55 - Step 6: Final answer
x = 2,080,312.02
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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.