Finding the Fourth Proportional to 4,982,035.68, 6,875,372.88 and 2,917,257.12
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Solution
The fourth proportional to 4,982,035.68, 6,875,372.88 and 2,917,257.12 is: 4,025,910.65
Step by Step Solution
- Step 1: Write the proportion equation
4,982,035.68 : 6,875,372.88 = 2,917,257.12 : x - Step 2: Convert to fraction form
4,982,035.68/6,875,372.88 = 2,917,257.12/x - Step 3: Cross multiply
4,982,035.68x = 6,875,372.88 × 2,917,257.12 - Step 4: Simplify right side
4,982,035.68x = 20,057,230,486,834.91 - Step 5: Solve for x
x = 20,057,230,486,834.91/4,982,035.68 - Step 6: Final answer
x = 4,025,910.65
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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.