Finding the Fourth Proportional to 1,923,579.80, 2,656,798.72 and 1,537,731.48
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Solution
The fourth proportional to 1,923,579.80, 2,656,798.72 and 1,537,731.48 is: 2,123,874.99
Step by Step Solution
- Step 1: Write the proportion equation
1,923,579.80 : 2,656,798.72 = 1,537,731.48 : x - Step 2: Convert to fraction form
1,923,579.80/2,656,798.72 = 1,537,731.48/x - Step 3: Cross multiply
1,923,579.80x = 2,656,798.72 × 1,537,731.48 - Step 4: Simplify right side
1,923,579.80x = 4,085,443,027,767.71 - Step 5: Solve for x
x = 4,085,443,027,767.71/1,923,579.80 - Step 6: Final answer
x = 2,123,874.99
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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.