Finding the Fourth Proportional to 2,149,864.48, 2,968,036.68 and 1,425,689.88
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Solution
The fourth proportional to 2,149,864.48, 2,968,036.68 and 1,425,689.88 is: 1,968,263.53
Step by Step Solution
- Step 1: Write the proportion equation
2,149,864.48 : 2,968,036.68 = 1,425,689.88 : x - Step 2: Convert to fraction form
2,149,864.48/2,968,036.68 = 1,425,689.88/x - Step 3: Cross multiply
2,149,864.48x = 2,968,036.68 × 1,425,689.88 - Step 4: Simplify right side
2,149,864.48x = 4,231,499,858,144.80 - Step 5: Solve for x
x = 4,231,499,858,144.80/2,149,864.48 - Step 6: Final answer
x = 1,968,263.53
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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.