Finding the Fourth Proportional to 5,280,646.42, 7,919,701.32 and 2,438,027.38
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Solution
The fourth proportional to 5,280,646.42, 7,919,701.32 and 2,438,027.38 is: 3,656,455.50
Step by Step Solution
- Step 1: Write the proportion equation
5,280,646.42 : 7,919,701.32 = 2,438,027.38 : x - Step 2: Convert to fraction form
5,280,646.42/7,919,701.32 = 2,438,027.38/x - Step 3: Cross multiply
5,280,646.42x = 7,919,701.32 × 2,438,027.38 - Step 4: Simplify right side
5,280,646.42x = 19,308,448,659,582.14 - Step 5: Solve for x
x = 19,308,448,659,582.14/5,280,646.42 - Step 6: Final answer
x = 3,656,455.50
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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.