Finding the Fourth Proportional to 5,759,135.40, 7,948,489.86 and 3,555,281.64
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Solution
The fourth proportional to 5,759,135.40, 7,948,489.86 and 3,555,281.64 is: 4,906,833.77
Step by Step Solution
- Step 1: Write the proportion equation
5,759,135.40 : 7,948,489.86 = 3,555,281.64 : x - Step 2: Convert to fraction form
5,759,135.40/7,948,489.86 = 3,555,281.64/x - Step 3: Cross multiply
5,759,135.40x = 7,948,489.86 × 3,555,281.64 - Step 4: Simplify right side
5,759,135.40x = 28,259,120,064,984.17 - Step 5: Solve for x
x = 28,259,120,064,984.17/5,759,135.40 - Step 6: Final answer
x = 4,906,833.77
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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.