Finding the Fourth Proportional to 2,811,629.20, 4,217,495.52 and 1,014,647.44
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Solution
The fourth proportional to 2,811,629.20, 4,217,495.52 and 1,014,647.44 is: 1,521,989.82
Step by Step Solution
- Step 1: Write the proportion equation
2,811,629.20 : 4,217,495.52 = 1,014,647.44 : x - Step 2: Convert to fraction form
2,811,629.20/4,217,495.52 = 1,014,647.44/x - Step 3: Cross multiply
2,811,629.20x = 4,217,495.52 × 1,014,647.44 - Step 4: Simplify right side
2,811,629.20x = 4,279,271,032,579.47 - Step 5: Solve for x
x = 4,279,271,032,579.47/2,811,629.20 - Step 6: Final answer
x = 1,521,989.82
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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.