Finding the Fourth Proportional to 2,985,486.24, 4,478,382.44 and 855,588.80
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Solution
The fourth proportional to 2,985,486.24, 4,478,382.44 and 855,588.80 is: 1,283,427.07
Step by Step Solution
- Step 1: Write the proportion equation
2,985,486.24 : 4,478,382.44 = 855,588.80 : x - Step 2: Convert to fraction form
2,985,486.24/4,478,382.44 = 855,588.80/x - Step 3: Cross multiply
2,985,486.24x = 4,478,382.44 × 855,588.80 - Step 4: Simplify right side
2,985,486.24x = 3,831,653,857,780.67 - Step 5: Solve for x
x = 3,831,653,857,780.67/2,985,486.24 - Step 6: Final answer
x = 1,283,427.07
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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.