Finding the Fourth Proportional to 4,497,887.20, 6,207,141.36 and 2,460,730.72
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Solution
The fourth proportional to 4,497,887.20, 6,207,141.36 and 2,460,730.72 is: 3,395,839.59
Step by Step Solution
- Step 1: Write the proportion equation
4,497,887.20 : 6,207,141.36 = 2,460,730.72 : x - Step 2: Convert to fraction form
4,497,887.20/6,207,141.36 = 2,460,730.72/x - Step 3: Cross multiply
4,497,887.20x = 6,207,141.36 × 2,460,730.72 - Step 4: Simplify right side
4,497,887.20x = 15,274,103,427,934.58 - Step 5: Solve for x
x = 15,274,103,427,934.58/4,497,887.20 - Step 6: Final answer
x = 3,395,839.59
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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.