Finding the Fourth Proportional to 3,936,924.28, 5,432,955.65 and 2,126,088.28
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Solution
The fourth proportional to 3,936,924.28, 5,432,955.65 and 2,126,088.28 is: 2,934,001.90
Step by Step Solution
- Step 1: Write the proportion equation
3,936,924.28 : 5,432,955.65 = 2,126,088.28 : x - Step 2: Convert to fraction form
3,936,924.28/5,432,955.65 = 2,126,088.28/x - Step 3: Cross multiply
3,936,924.28x = 5,432,955.65 × 2,126,088.28 - Step 4: Simplify right side
3,936,924.28x = 11,550,943,333,224.78 - Step 5: Solve for x
x = 11,550,943,333,224.78/3,936,924.28 - Step 6: Final answer
x = 2,934,001.90
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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.