Finding the Fourth Proportional to 1,445,375.08, 1,995,553.66 and 929,360.76
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Solution
The fourth proportional to 1,445,375.08, 1,995,553.66 and 929,360.76 is: 1,283,119.72
Step by Step Solution
- Step 1: Write the proportion equation
1,445,375.08 : 1,995,553.66 = 929,360.76 : x - Step 2: Convert to fraction form
1,445,375.08/1,995,553.66 = 929,360.76/x - Step 3: Cross multiply
1,445,375.08x = 1,995,553.66 × 929,360.76 - Step 4: Simplify right side
1,445,375.08x = 1,854,589,266,078.38 - Step 5: Solve for x
x = 1,854,589,266,078.38/1,445,375.08 - Step 6: Final answer
x = 1,283,119.72
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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.