Finding the Fourth Proportional to 2,118,862.87, 3,177,953.80 and 581,499.09
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Solution
The fourth proportional to 2,118,862.87, 3,177,953.80 and 581,499.09 is: 872,155.19
Step by Step Solution
- Step 1: Write the proportion equation
2,118,862.87 : 3,177,953.80 = 581,499.09 : x - Step 2: Convert to fraction form
2,118,862.87/3,177,953.80 = 581,499.09/x - Step 3: Cross multiply
2,118,862.87x = 3,177,953.80 × 581,499.09 - Step 4: Simplify right side
2,118,862.87x = 1,847,977,239,854.55 - Step 5: Solve for x
x = 1,847,977,239,854.55/2,118,862.87 - Step 6: Final answer
x = 872,155.19
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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.