Finding the Fourth Proportional to 2,879,858.80, 3,974,195.30 and 1,656,106.55
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Solution
The fourth proportional to 2,879,858.80, 3,974,195.30 and 1,656,106.55 is: 2,285,421.38
Step by Step Solution
- Step 1: Write the proportion equation
2,879,858.80 : 3,974,195.30 = 1,656,106.55 : x - Step 2: Convert to fraction form
2,879,858.80/3,974,195.30 = 1,656,106.55/x - Step 3: Cross multiply
2,879,858.80x = 3,974,195.30 × 1,656,106.55 - Step 4: Simplify right side
2,879,858.80x = 6,581,690,867,309.22 - Step 5: Solve for x
x = 6,581,690,867,309.22/2,879,858.80 - Step 6: Final answer
x = 2,285,421.38
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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.