Finding the Fourth Proportional to 2,916,731.80, 4,375,097.70 and 2,562,437.80
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Solution
The fourth proportional to 2,916,731.80, 4,375,097.70 and 2,562,437.80 is: 3,843,656.70
Step by Step Solution
- Step 1: Write the proportion equation
2,916,731.80 : 4,375,097.70 = 2,562,437.80 : x - Step 2: Convert to fraction form
2,916,731.80/4,375,097.70 = 2,562,437.80/x - Step 3: Cross multiply
2,916,731.80x = 4,375,097.70 × 2,562,437.80 - Step 4: Simplify right side
2,916,731.80x = 11,210,915,725,173.06 - Step 5: Solve for x
x = 11,210,915,725,173.06/2,916,731.80 - Step 6: Final answer
x = 3,843,656.70
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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.