Finding the Fourth Proportional to 2,076,260.40, 2,864,697.12 and 1,216,358.28
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Solution
The fourth proportional to 2,076,260.40, 2,864,697.12 and 1,216,358.28 is: 1,678,256.76
Step by Step Solution
- Step 1: Write the proportion equation
2,076,260.40 : 2,864,697.12 = 1,216,358.28 : x - Step 2: Convert to fraction form
2,076,260.40/2,864,697.12 = 1,216,358.28/x - Step 3: Cross multiply
2,076,260.40x = 2,864,697.12 × 1,216,358.28 - Step 4: Simplify right side
2,076,260.40x = 3,484,498,061,604.15 - Step 5: Solve for x
x = 3,484,498,061,604.15/2,076,260.40 - Step 6: Final answer
x = 1,678,256.76
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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.