Finding the Fourth Proportional to 3,943,707.75, 5,442,316.70 and 2,132,871.75
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Solution
The fourth proportional to 3,943,707.75, 5,442,316.70 and 2,132,871.75 is: 2,943,363.02
Step by Step Solution
- Step 1: Write the proportion equation
3,943,707.75 : 5,442,316.70 = 2,132,871.75 : x - Step 2: Convert to fraction form
3,943,707.75/5,442,316.70 = 2,132,871.75/x - Step 3: Cross multiply
3,943,707.75x = 5,442,316.70 × 2,132,871.75 - Step 4: Simplify right side
3,943,707.75x = 11,607,763,533,318.87 - Step 5: Solve for x
x = 11,607,763,533,318.87/3,943,707.75 - Step 6: Final answer
x = 2,943,363.02
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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.