Finding the Fourth Proportional to 4,634,723.40, 6,943,117.79 and 2,606,805.78
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Solution
The fourth proportional to 4,634,723.40, 6,943,117.79 and 2,606,805.78 is: 3,905,164.99
Step by Step Solution
- Step 1: Write the proportion equation
4,634,723.40 : 6,943,117.79 = 2,606,805.78 : x - Step 2: Convert to fraction form
4,634,723.40/6,943,117.79 = 2,606,805.78/x - Step 3: Cross multiply
4,634,723.40x = 6,943,117.79 × 2,606,805.78 - Step 4: Simplify right side
4,634,723.40x = 18,099,359,573,158.80 - Step 5: Solve for x
x = 18,099,359,573,158.80/4,634,723.40 - Step 6: Final answer
x = 3,905,164.99
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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.