Finding the Fourth Proportional to 2,115,881.40, 3,174,288.66 and 695,880.12
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Solution
The fourth proportional to 2,115,881.40, 3,174,288.66 and 695,880.12 is: 1,043,973.62
Step by Step Solution
- Step 1: Write the proportion equation
2,115,881.40 : 3,174,288.66 = 695,880.12 : x - Step 2: Convert to fraction form
2,115,881.40/3,174,288.66 = 695,880.12/x - Step 3: Cross multiply
2,115,881.40x = 3,174,288.66 × 695,880.12 - Step 4: Simplify right side
2,115,881.40x = 2,208,924,373,635.44 - Step 5: Solve for x
x = 2,208,924,373,635.44/2,115,881.40 - Step 6: Final answer
x = 1,043,973.62
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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.