Finding the Fourth Proportional to 2,292,581.70, 3,438,763.20 and 776,115.90
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Solution
The fourth proportional to 2,292,581.70, 3,438,763.20 and 776,115.90 is: 1,164,136.83
Step by Step Solution
- Step 1: Write the proportion equation
2,292,581.70 : 3,438,763.20 = 776,115.90 : x - Step 2: Convert to fraction form
2,292,581.70/3,438,763.20 = 776,115.90/x - Step 3: Cross multiply
2,292,581.70x = 3,438,763.20 × 776,115.90 - Step 4: Simplify right side
2,292,581.70x = 2,668,878,795,854.88 - Step 5: Solve for x
x = 2,668,878,795,854.88/2,292,581.70 - Step 6: Final answer
x = 1,164,136.83
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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.