Finding the Fourth Proportional to 5,457,815.17, 7,531,652.97 and 3,010,373.66
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Solution
The fourth proportional to 5,457,815.17, 7,531,652.97 and 3,010,373.66 is: 4,154,242.87
Step by Step Solution
- Step 1: Write the proportion equation
5,457,815.17 : 7,531,652.97 = 3,010,373.66 : x - Step 2: Convert to fraction form
5,457,815.17/7,531,652.97 = 3,010,373.66/x - Step 3: Cross multiply
5,457,815.17x = 7,531,652.97 × 3,010,373.66 - Step 4: Simplify right side
5,457,815.17x = 22,673,089,735,977.90 - Step 5: Solve for x
x = 22,673,089,735,977.90/5,457,815.17 - Step 6: Final answer
x = 4,154,242.87
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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.