Finding the Fourth Proportional to 4,246,929.76, 5,862,043.76 and 2,889,590.08
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Solution
The fourth proportional to 4,246,929.76, 5,862,043.76 and 2,889,590.08 is: 3,988,505.69
Step by Step Solution
- Step 1: Write the proportion equation
4,246,929.76 : 5,862,043.76 = 2,889,590.08 : x - Step 2: Convert to fraction form
4,246,929.76/5,862,043.76 = 2,889,590.08/x - Step 3: Cross multiply
4,246,929.76x = 5,862,043.76 × 2,889,590.08 - Step 4: Simplify right side
4,246,929.76x = 16,938,903,497,421.90 - Step 5: Solve for x
x = 16,938,903,497,421.90/4,246,929.76 - Step 6: Final answer
x = 3,988,505.69
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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.