Finding the Fourth Proportional to 3,292,811.84, 4,939,217.75 and 2,170,618.40
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Solution
The fourth proportional to 3,292,811.84, 4,939,217.75 and 2,170,618.40 is: 3,255,927.59
Step by Step Solution
- Step 1: Write the proportion equation
3,292,811.84 : 4,939,217.75 = 2,170,618.40 : x - Step 2: Convert to fraction form
3,292,811.84/4,939,217.75 = 2,170,618.40/x - Step 3: Cross multiply
3,292,811.84x = 4,939,217.75 × 2,170,618.40 - Step 4: Simplify right side
3,292,811.84x = 10,721,156,929,756.60 - Step 5: Solve for x
x = 10,721,156,929,756.60/3,292,811.84 - Step 6: Final answer
x = 3,255,927.59
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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.