Finding the Fourth Proportional to 3,937,497.84, 5,433,748.86 and 2,126,661.84
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Solution
The fourth proportional to 3,937,497.84, 5,433,748.86 and 2,126,661.84 is: 2,934,794.33
Step by Step Solution
- Step 1: Write the proportion equation
3,937,497.84 : 5,433,748.86 = 2,126,661.84 : x - Step 2: Convert to fraction form
3,937,497.84/5,433,748.86 = 2,126,661.84/x - Step 3: Cross multiply
3,937,497.84x = 5,433,748.86 × 2,126,661.84 - Step 4: Simplify right side
3,937,497.84x = 11,555,746,348,705.50 - Step 5: Solve for x
x = 11,555,746,348,705.50/3,937,497.84 - Step 6: Final answer
x = 2,934,794.33
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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.