Finding the Fourth Proportional to 5,745,900.28, 7,929,430.30 and 3,132,406.12
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Solution
The fourth proportional to 5,745,900.28, 7,929,430.30 and 3,132,406.12 is: 4,322,768.37
Step by Step Solution
- Step 1: Write the proportion equation
5,745,900.28 : 7,929,430.30 = 3,132,406.12 : x - Step 2: Convert to fraction form
5,745,900.28/7,929,430.30 = 3,132,406.12/x - Step 3: Cross multiply
5,745,900.28x = 7,929,430.30 × 3,132,406.12 - Step 4: Simplify right side
5,745,900.28x = 24,838,195,999,833.44 - Step 5: Solve for x
x = 24,838,195,999,833.44/5,745,900.28 - Step 6: Final answer
x = 4,322,768.37
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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.