Finding the Fourth Proportional to 4,318,118.70, 6,479,419.74 and 1,761,209.52
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Solution
The fourth proportional to 4,318,118.70, 6,479,419.74 and 1,761,209.52 is: 2,642,728.59
Step by Step Solution
- Step 1: Write the proportion equation
4,318,118.70 : 6,479,419.74 = 1,761,209.52 : x - Step 2: Convert to fraction form
4,318,118.70/6,479,419.74 = 1,761,209.52/x - Step 3: Cross multiply
4,318,118.70x = 6,479,419.74 × 1,761,209.52 - Step 4: Simplify right side
4,318,118.70x = 11,411,615,730,163.93 - Step 5: Solve for x
x = 11,411,615,730,163.93/4,318,118.70 - Step 6: Final answer
x = 2,642,728.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.