Finding the Fourth Proportional to 2,169,981.09, 3,255,106.79 and 572,545.84
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Solution
The fourth proportional to 2,169,981.09, 3,255,106.79 and 572,545.84 is: 858,854.42
Step by Step Solution
- Step 1: Write the proportion equation
2,169,981.09 : 3,255,106.79 = 572,545.84 : x - Step 2: Convert to fraction form
2,169,981.09/3,255,106.79 = 572,545.84/x - Step 3: Cross multiply
2,169,981.09x = 3,255,106.79 × 572,545.84 - Step 4: Simplify right side
2,169,981.09x = 1,863,697,851,370.25 - Step 5: Solve for x
x = 1,863,697,851,370.25/2,169,981.09 - Step 6: Final answer
x = 858,854.42
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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.