Finding the Fourth Proportional to 6,455,135.99, 8,908,087.66 and 3,554,519.96
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Solution
The fourth proportional to 6,455,135.99, 8,908,087.66 and 3,554,519.96 is: 4,905,237.54
Step by Step Solution
- Step 1: Write the proportion equation
6,455,135.99 : 8,908,087.66 = 3,554,519.96 : x - Step 2: Convert to fraction form
6,455,135.99/8,908,087.66 = 3,554,519.96/x - Step 3: Cross multiply
6,455,135.99x = 8,908,087.66 × 3,554,519.96 - Step 4: Simplify right side
6,455,135.99x = 31,663,975,406,283.61 - Step 5: Solve for x
x = 31,663,975,406,283.61/6,455,135.99 - Step 6: Final answer
x = 4,905,237.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.