Finding the Fourth Proportional to 3,102,257.11, 4,281,373.37 and 1,725,860.12
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Solution
The fourth proportional to 3,102,257.11, 4,281,373.37 and 1,725,860.12 is: 2,381,830.80
Step by Step Solution
- Step 1: Write the proportion equation
3,102,257.11 : 4,281,373.37 = 1,725,860.12 : x - Step 2: Convert to fraction form
3,102,257.11/4,281,373.37 = 1,725,860.12/x - Step 3: Cross multiply
3,102,257.11x = 4,281,373.37 × 1,725,860.12 - Step 4: Simplify right side
3,102,257.11x = 7,389,051,543,447.35 - Step 5: Solve for x
x = 7,389,051,543,447.35/3,102,257.11 - Step 6: Final answer
x = 2,381,830.80
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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.