Finding the Fourth Proportional to 2,381,220.24, 3,572,322.45 and 783,879.18
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Solution
The fourth proportional to 2,381,220.24, 3,572,322.45 and 783,879.18 is: 1,175,980.76
Step by Step Solution
- Step 1: Write the proportion equation
2,381,220.24 : 3,572,322.45 = 783,879.18 : x - Step 2: Convert to fraction form
2,381,220.24/3,572,322.45 = 783,879.18/x - Step 3: Cross multiply
2,381,220.24x = 3,572,322.45 × 783,879.18 - Step 4: Simplify right side
2,381,220.24x = 2,800,269,192,801.59 - Step 5: Solve for x
x = 2,800,269,192,801.59/2,381,220.24 - Step 6: Final answer
x = 1,175,980.76
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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.