Finding the Fourth Proportional to 1,972,682.86, 2,722,302.93 and 1,113,425.14
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Solution
The fourth proportional to 1,972,682.86, 2,722,302.93 and 1,113,425.14 is: 1,536,527.02
Step by Step Solution
- Step 1: Write the proportion equation
1,972,682.86 : 2,722,302.93 = 1,113,425.14 : x - Step 2: Convert to fraction form
1,972,682.86/2,722,302.93 = 1,113,425.14/x - Step 3: Cross multiply
1,972,682.86x = 2,722,302.93 × 1,113,425.14 - Step 4: Simplify right side
1,972,682.86x = 3,031,080,520,957.66 - Step 5: Solve for x
x = 3,031,080,520,957.66/1,972,682.86 - Step 6: Final answer
x = 1,536,527.02
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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.