Finding the Fourth Proportional to 2,271,771.18, 3,135,054.29 and 1,239,302.15
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Solution
The fourth proportional to 2,271,771.18, 3,135,054.29 and 1,239,302.15 is: 1,710,242.46
Step by Step Solution
- Step 1: Write the proportion equation
2,271,771.18 : 3,135,054.29 = 1,239,302.15 : x - Step 2: Convert to fraction form
2,271,771.18/3,135,054.29 = 1,239,302.15/x - Step 3: Cross multiply
2,271,771.18x = 3,135,054.29 × 1,239,302.15 - Step 4: Simplify right side
2,271,771.18x = 3,885,279,521,963.72 - Step 5: Solve for x
x = 3,885,279,521,963.72/2,271,771.18 - Step 6: Final answer
x = 1,710,242.46
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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.