Finding the Fourth Proportional to 1,772,349.40, 2,661,731.70 and 1,551,899.80
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Solution
The fourth proportional to 1,772,349.40, 2,661,731.70 and 1,551,899.80 is: 2,330,658.33
Step by Step Solution
- Step 1: Write the proportion equation
1,772,349.40 : 2,661,731.70 = 1,551,899.80 : x - Step 2: Convert to fraction form
1,772,349.40/2,661,731.70 = 1,551,899.80/x - Step 3: Cross multiply
1,772,349.40x = 2,661,731.70 × 1,551,899.80 - Step 4: Simplify right side
1,772,349.40x = 4,130,740,892,883.66 - Step 5: Solve for x
x = 4,130,740,892,883.66/1,772,349.40 - Step 6: Final answer
x = 2,330,658.33
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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.