Finding the Fourth Proportional to 2,146,349.24, 2,961,316.04 and 1,286,595.80
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Solution
The fourth proportional to 2,146,349.24, 2,961,316.04 and 1,286,595.80 is: 1,775,115.02
Step by Step Solution
- Step 1: Write the proportion equation
2,146,349.24 : 2,961,316.04 = 1,286,595.80 : x - Step 2: Convert to fraction form
2,146,349.24/2,961,316.04 = 1,286,595.80/x - Step 3: Cross multiply
2,146,349.24x = 2,961,316.04 × 1,286,595.80 - Step 4: Simplify right side
2,146,349.24x = 3,810,016,779,536.63 - Step 5: Solve for x
x = 3,810,016,779,536.63/2,146,349.24 - Step 6: Final answer
x = 1,775,115.02
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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.