Finding the Fourth Proportional to 3,214,989.79, 4,440,368.07 and 2,117,327.96
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Solution
The fourth proportional to 3,214,989.79, 4,440,368.07 and 2,117,327.96 is: 2,924,337.59
Step by Step Solution
- Step 1: Write the proportion equation
3,214,989.79 : 4,440,368.07 = 2,117,327.96 : x - Step 2: Convert to fraction form
3,214,989.79/4,440,368.07 = 2,117,327.96/x - Step 3: Cross multiply
3,214,989.79x = 4,440,368.07 × 2,117,327.96 - Step 4: Simplify right side
3,214,989.79x = 9,401,715,478,403.16 - Step 5: Solve for x
x = 9,401,715,478,403.16/3,214,989.79 - Step 6: Final answer
x = 2,924,337.59
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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.