Finding the Fourth Proportional to 2,709,881.28, 3,730,249.90 and 2,342,190.68
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Solution
The fourth proportional to 2,709,881.28, 3,730,249.90 and 2,342,190.68 is: 3,224,110.45
Step by Step Solution
- Step 1: Write the proportion equation
2,709,881.28 : 3,730,249.90 = 2,342,190.68 : x - Step 2: Convert to fraction form
2,709,881.28/3,730,249.90 = 2,342,190.68/x - Step 3: Cross multiply
2,709,881.28x = 3,730,249.90 × 2,342,190.68 - Step 4: Simplify right side
2,709,881.28x = 8,736,956,549,850.93 - Step 5: Solve for x
x = 8,736,956,549,850.93/2,709,881.28 - Step 6: Final answer
x = 3,224,110.45
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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.