Finding the Fourth Proportional to 4,913,201.57, 6,780,722.69 and 2,953,713.99
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Solution
The fourth proportional to 4,913,201.57, 6,780,722.69 and 2,953,713.99 is: 4,076,428.62
Step by Step Solution
- Step 1: Write the proportion equation
4,913,201.57 : 6,780,722.69 = 2,953,713.99 : x - Step 2: Convert to fraction form
4,913,201.57/6,780,722.69 = 2,953,713.99/x - Step 3: Cross multiply
4,913,201.57x = 6,780,722.69 × 2,953,713.99 - Step 4: Simplify right side
4,913,201.57x = 20,028,315,456,994.86 - Step 5: Solve for x
x = 20,028,315,456,994.86/4,913,201.57 - Step 6: Final answer
x = 4,076,428.62
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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.