Finding the Fourth Proportional to 7,634,939.40, 11,451,547.26 and 1,955,206.44
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Solution
The fourth proportional to 7,634,939.40, 11,451,547.26 and 1,955,206.44 is: 2,932,588.95
Step by Step Solution
- Step 1: Write the proportion equation
7,634,939.40 : 11,451,547.26 = 1,955,206.44 : x - Step 2: Convert to fraction form
7,634,939.40/11,451,547.26 = 1,955,206.44/x - Step 3: Cross multiply
7,634,939.40x = 11,451,547.26 × 1,955,206.44 - Step 4: Simplify right side
7,634,939.40x = 22,390,138,950,716.35 - Step 5: Solve for x
x = 22,390,138,950,716.35/7,634,939.40 - Step 6: Final answer
x = 2,932,588.95
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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.