Finding the Fourth Proportional to 1,435,326.08, 1,979,874.09 and 854,159.38
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Solution
The fourth proportional to 1,435,326.08, 1,979,874.09 and 854,159.38 is: 1,178,218.70
Step by Step Solution
- Step 1: Write the proportion equation
1,435,326.08 : 1,979,874.09 = 854,159.38 : x - Step 2: Convert to fraction form
1,435,326.08/1,979,874.09 = 854,159.38/x - Step 3: Cross multiply
1,435,326.08x = 1,979,874.09 × 854,159.38 - Step 4: Simplify right side
1,435,326.08x = 1,691,128,020,242.78 - Step 5: Solve for x
x = 1,691,128,020,242.78/1,435,326.08 - Step 6: Final answer
x = 1,178,218.70
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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.