Finding the Fourth Proportional to 5,755,947.12, 7,943,159.52 and 3,177,573.12
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Solution
The fourth proportional to 5,755,947.12, 7,943,159.52 and 3,177,573.12 is: 4,385,024.68
Step by Step Solution
- Step 1: Write the proportion equation
5,755,947.12 : 7,943,159.52 = 3,177,573.12 : x - Step 2: Convert to fraction form
5,755,947.12/7,943,159.52 = 3,177,573.12/x - Step 3: Cross multiply
5,755,947.12x = 7,943,159.52 × 3,177,573.12 - Step 4: Simplify right side
5,755,947.12x = 25,239,970,178,624.10 - Step 5: Solve for x
x = 25,239,970,178,624.10/5,755,947.12 - Step 6: Final answer
x = 4,385,024.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.