Finding the Fourth Proportional to 1,707,129.36, 2,353,840.20 and 1,163,586.96
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Solution
The fourth proportional to 1,707,129.36, 2,353,840.20 and 1,163,586.96 is: 1,604,387.94
Step by Step Solution
- Step 1: Write the proportion equation
1,707,129.36 : 2,353,840.20 = 1,163,586.96 : x - Step 2: Convert to fraction form
1,707,129.36/2,353,840.20 = 1,163,586.96/x - Step 3: Cross multiply
1,707,129.36x = 2,353,840.20 × 1,163,586.96 - Step 4: Simplify right side
1,707,129.36x = 2,738,897,762,643.79 - Step 5: Solve for x
x = 2,738,897,762,643.79/1,707,129.36 - Step 6: Final answer
x = 1,604,387.94
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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.