Finding the Fourth Proportional to 1,506,871.32, 2,260,274.25 and 369,639.12
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Solution
The fourth proportional to 1,506,871.32, 2,260,274.25 and 369,639.12 is: 554,450.65
Step by Step Solution
- Step 1: Write the proportion equation
1,506,871.32 : 2,260,274.25 = 369,639.12 : x - Step 2: Convert to fraction form
1,506,871.32/2,260,274.25 = 369,639.12/x - Step 3: Cross multiply
1,506,871.32x = 2,260,274.25 × 369,639.12 - Step 4: Simplify right side
1,506,871.32x = 835,485,785,114.98 - Step 5: Solve for x
x = 835,485,785,114.98/1,506,871.32 - Step 6: Final answer
x = 554,450.65
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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.