Finding the Fourth Proportional to 3,038,462.91, 4,193,187.93 and 1,731,912.12
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Solution
The fourth proportional to 3,038,462.91, 4,193,187.93 and 1,731,912.12 is: 2,390,100.92
Step by Step Solution
- Step 1: Write the proportion equation
3,038,462.91 : 4,193,187.93 = 1,731,912.12 : x - Step 2: Convert to fraction form
3,038,462.91/4,193,187.93 = 1,731,912.12/x - Step 3: Cross multiply
3,038,462.91x = 4,193,187.93 × 1,731,912.12 - Step 4: Simplify right side
3,038,462.91x = 7,262,232,997,404.71 - Step 5: Solve for x
x = 7,262,232,997,404.71/3,038,462.91 - Step 6: Final answer
x = 2,390,100.92
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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.