Finding the Fourth Proportional to 3,730,403.08, 5,147,956.50 and 2,120,771.08
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Solution
The fourth proportional to 3,730,403.08, 5,147,956.50 and 2,120,771.08 is: 2,926,664.23
Step by Step Solution
- Step 1: Write the proportion equation
3,730,403.08 : 5,147,956.50 = 2,120,771.08 : x - Step 2: Convert to fraction form
3,730,403.08/5,147,956.50 = 2,120,771.08/x - Step 3: Cross multiply
3,730,403.08x = 5,147,956.50 × 2,120,771.08 - Step 4: Simplify right side
3,730,403.08x = 10,917,637,266,298.02 - Step 5: Solve for x
x = 10,917,637,266,298.02/3,730,403.08 - Step 6: Final answer
x = 2,926,664.23
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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.