Finding the Fourth Proportional to 4,243,747.64, 6,365,623.52 and 1,403,859.78
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Solution
The fourth proportional to 4,243,747.64, 6,365,623.52 and 1,403,859.78 is: 2,105,790.35
Step by Step Solution
- Step 1: Write the proportion equation
4,243,747.64 : 6,365,623.52 = 1,403,859.78 : x - Step 2: Convert to fraction form
4,243,747.64/6,365,623.52 = 1,403,859.78/x - Step 3: Cross multiply
4,243,747.64x = 6,365,623.52 × 1,403,859.78 - Step 4: Simplify right side
4,243,747.64x = 8,936,442,827,330.73 - Step 5: Solve for x
x = 8,936,442,827,330.73/4,243,747.64 - Step 6: Final answer
x = 2,105,790.35
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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.