Finding the Fourth Proportional to 2,215,283.78, 3,057,271.49 and 1,248,479.53
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Solution
The fourth proportional to 2,215,283.78, 3,057,271.49 and 1,248,479.53 is: 1,723,003.12
Step by Step Solution
- Step 1: Write the proportion equation
2,215,283.78 : 3,057,271.49 = 1,248,479.53 : x - Step 2: Convert to fraction form
2,215,283.78/3,057,271.49 = 1,248,479.53/x - Step 3: Cross multiply
2,215,283.78x = 3,057,271.49 × 1,248,479.53 - Step 4: Simplify right side
2,215,283.78x = 3,816,940,868,395.62 - Step 5: Solve for x
x = 3,816,940,868,395.62/2,215,283.78 - Step 6: Final answer
x = 1,723,003.12
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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.