Finding the Fourth Proportional to 2,020,450.84, 3,030,565.52 and 1,221,517.87
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Solution
The fourth proportional to 2,020,450.84, 3,030,565.52 and 1,221,517.87 is: 1,832,209.85
Step by Step Solution
- Step 1: Write the proportion equation
2,020,450.84 : 3,030,565.52 = 1,221,517.87 : x - Step 2: Convert to fraction form
2,020,450.84/3,030,565.52 = 1,221,517.87/x - Step 3: Cross multiply
2,020,450.84x = 3,030,565.52 × 1,221,517.87 - Step 4: Simplify right side
2,020,450.84x = 3,701,889,934,363.22 - Step 5: Solve for x
x = 3,701,889,934,363.22/2,020,450.84 - Step 6: Final answer
x = 1,832,209.85
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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.