Finding the Fourth Proportional to 2,812,500.99, 3,881,195.62 and 1,572,105.24
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Solution
The fourth proportional to 2,812,500.99, 3,881,195.62 and 1,572,105.24 is: 2,169,474.07
Step by Step Solution
- Step 1: Write the proportion equation
2,812,500.99 : 3,881,195.62 = 1,572,105.24 : x - Step 2: Convert to fraction form
2,812,500.99/3,881,195.62 = 1,572,105.24/x - Step 3: Cross multiply
2,812,500.99x = 3,881,195.62 × 1,572,105.24 - Step 4: Simplify right side
2,812,500.99x = 6,101,647,964,631.92 - Step 5: Solve for x
x = 6,101,647,964,631.92/2,812,500.99 - Step 6: Final answer
x = 2,169,474.07
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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.