Finding the Fourth Proportional to 5,264,865.12, 7,897,779.63 and 1,478,322.48
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Solution
The fourth proportional to 5,264,865.12, 7,897,779.63 and 1,478,322.48 is: 2,217,619.05
Step by Step Solution
- Step 1: Write the proportion equation
5,264,865.12 : 7,897,779.63 = 1,478,322.48 : x - Step 2: Convert to fraction form
5,264,865.12/7,897,779.63 = 1,478,322.48/x - Step 3: Cross multiply
5,264,865.12x = 7,897,779.63 × 1,478,322.48 - Step 4: Simplify right side
5,264,865.12x = 11,675,465,169,115.08 - Step 5: Solve for x
x = 11,675,465,169,115.08/5,264,865.12 - Step 6: Final answer
x = 2,217,619.05
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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.