Finding the Fourth Proportional to 4,982,564.11, 6,875,938.35 and 2,690,724.61
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Solution
The fourth proportional to 4,982,564.11, 6,875,938.35 and 2,690,724.61 is: 3,713,199.90
Step by Step Solution
- Step 1: Write the proportion equation
4,982,564.11 : 6,875,938.35 = 2,690,724.61 : x - Step 2: Convert to fraction form
4,982,564.11/6,875,938.35 = 2,690,724.61/x - Step 3: Cross multiply
4,982,564.11x = 6,875,938.35 × 2,690,724.61 - Step 4: Simplify right side
4,982,564.11x = 18,501,256,535,187.79 - Step 5: Solve for x
x = 18,501,256,535,187.79/4,982,564.11 - Step 6: Final answer
x = 3,713,199.90
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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.