Finding the Fourth Proportional to 5,125,358.42, 7,073,142.24 and 2,833,666.73
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Solution
The fourth proportional to 5,125,358.42, 7,073,142.24 and 2,833,666.73 is: 3,910,541.70
Step by Step Solution
- Step 1: Write the proportion equation
5,125,358.42 : 7,073,142.24 = 2,833,666.73 : x - Step 2: Convert to fraction form
5,125,358.42/7,073,142.24 = 2,833,666.73/x - Step 3: Cross multiply
5,125,358.42x = 7,073,142.24 × 2,833,666.73 - Step 4: Simplify right side
5,125,358.42x = 20,042,927,842,045.68 - Step 5: Solve for x
x = 20,042,927,842,045.68/5,125,358.42 - Step 6: Final answer
x = 3,910,541.70
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1.5x scale
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.