Finding the Fourth Proportional to 2,877,027.99, 3,970,279.08 and 1,587,868.35
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Solution
The fourth proportional to 2,877,027.99, 3,970,279.08 and 1,587,868.35 is: 2,191,247.54
Step by Step Solution
- Step 1: Write the proportion equation
2,877,027.99 : 3,970,279.08 = 1,587,868.35 : x - Step 2: Convert to fraction form
2,877,027.99/3,970,279.08 = 1,587,868.35/x - Step 3: Cross multiply
2,877,027.99x = 3,970,279.08 × 1,587,868.35 - Step 4: Simplify right side
2,877,027.99x = 6,304,280,491,799.12 - Step 5: Solve for x
x = 6,304,280,491,799.12/2,877,027.99 - Step 6: Final answer
x = 2,191,247.54
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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.