Finding the Fourth Proportional to 1,908,966.08, 2,634,391.20 and 1,049,532.32
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Solution
The fourth proportional to 1,908,966.08, 2,634,391.20 and 1,049,532.32 is: 1,448,364.50
Step by Step Solution
- Step 1: Write the proportion equation
1,908,966.08 : 2,634,391.20 = 1,049,532.32 : x - Step 2: Convert to fraction form
1,908,966.08/2,634,391.20 = 1,049,532.32/x - Step 3: Cross multiply
1,908,966.08x = 2,634,391.20 × 1,049,532.32 - Step 4: Simplify right side
1,908,966.08x = 2,764,878,707,923.58 - Step 5: Solve for x
x = 2,764,878,707,923.58/1,908,966.08 - Step 6: Final answer
x = 1,448,364.50
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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.