Finding the Fourth Proportional to 5,439,475.08, 7,506,105.48 and 3,147,980.22
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Solution
The fourth proportional to 5,439,475.08, 7,506,105.48 and 3,147,980.22 is: 4,343,998.50
Step by Step Solution
- Step 1: Write the proportion equation
5,439,475.08 : 7,506,105.48 = 3,147,980.22 : x - Step 2: Convert to fraction form
5,439,475.08/7,506,105.48 = 3,147,980.22/x - Step 3: Cross multiply
5,439,475.08x = 7,506,105.48 × 3,147,980.22 - Step 4: Simplify right side
5,439,475.08x = 23,629,071,580,273.61 - Step 5: Solve for x
x = 23,629,071,580,273.61/5,439,475.08 - Step 6: Final answer
x = 4,343,998.50
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1.5x scale
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.