Finding the Fourth Proportional to 4,982,805.84, 6,876,272.32 and 2,690,966.46
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Solution
The fourth proportional to 4,982,805.84, 6,876,272.32 and 2,690,966.46 is: 3,713,533.86
Step by Step Solution
- Step 1: Write the proportion equation
4,982,805.84 : 6,876,272.32 = 2,690,966.46 : x - Step 2: Convert to fraction form
4,982,805.84/6,876,272.32 = 2,690,966.46/x - Step 3: Cross multiply
4,982,805.84x = 6,876,272.32 × 2,690,966.46 - Step 4: Simplify right side
4,982,805.84x = 18,503,818,182,946.39 - Step 5: Solve for x
x = 18,503,818,182,946.39/4,982,805.84 - Step 6: Final answer
x = 3,713,533.86
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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.