Finding the Fourth Proportional to 3,785,954.40, 5,680,126.59 and 2,879,479.02
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Solution
The fourth proportional to 3,785,954.40, 5,680,126.59 and 2,879,479.02 is: 4,320,127.40
Step by Step Solution
- Step 1: Write the proportion equation
3,785,954.40 : 5,680,126.59 = 2,879,479.02 : x - Step 2: Convert to fraction form
3,785,954.40/5,680,126.59 = 2,879,479.02/x - Step 3: Cross multiply
3,785,954.40x = 5,680,126.59 × 2,879,479.02 - Step 4: Simplify right side
3,785,954.40x = 16,355,805,346,849.14 - Step 5: Solve for x
x = 16,355,805,346,849.14/3,785,954.40 - Step 6: Final answer
x = 4,320,127.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.