Finding the Fourth Proportional to 1,536,821.28, 2,305,574.64 and 471,970.80
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Solution
The fourth proportional to 1,536,821.28, 2,305,574.64 and 471,970.80 is: 708,061.45
Step by Step Solution
- Step 1: Write the proportion equation
1,536,821.28 : 2,305,574.64 = 471,970.80 : x - Step 2: Convert to fraction form
1,536,821.28/2,305,574.64 = 471,970.80/x - Step 3: Cross multiply
1,536,821.28x = 2,305,574.64 × 471,970.80 - Step 4: Simplify right side
1,536,821.28x = 1,088,163,907,300.51 - Step 5: Solve for x
x = 1,088,163,907,300.51/1,536,821.28 - Step 6: Final answer
x = 708,061.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.