Finding the Fourth Proportional to 4,128,576.86, 5,697,242.24 and 2,293,154.12
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Solution
The fourth proportional to 4,128,576.86, 5,697,242.24 and 2,293,154.12 is: 3,164,445.03
Step by Step Solution
- Step 1: Write the proportion equation
4,128,576.86 : 5,697,242.24 = 2,293,154.12 : x - Step 2: Convert to fraction form
4,128,576.86/5,697,242.24 = 2,293,154.12/x - Step 3: Cross multiply
4,128,576.86x = 5,697,242.24 × 2,293,154.12 - Step 4: Simplify right side
4,128,576.86x = 13,064,654,515,294.03 - Step 5: Solve for x
x = 13,064,654,515,294.03/4,128,576.86 - Step 6: Final answer
x = 3,164,445.03
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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.