Finding the Fourth Proportional to 3,641,167.38, 5,462,638.18 and 1,212,316.17
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Solution
The fourth proportional to 3,641,167.38, 5,462,638.18 and 1,212,316.17 is: 1,818,769.61
Step by Step Solution
- Step 1: Write the proportion equation
3,641,167.38 : 5,462,638.18 = 1,212,316.17 : x - Step 2: Convert to fraction form
3,641,167.38/5,462,638.18 = 1,212,316.17/x - Step 3: Cross multiply
3,641,167.38x = 5,462,638.18 × 1,212,316.17 - Step 4: Simplify right side
3,641,167.38x = 6,622,444,572,957.69 - Step 5: Solve for x
x = 6,622,444,572,957.69/3,641,167.38 - Step 6: Final answer
x = 1,818,769.61
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1.5x scale
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.