Finding the Fourth Proportional to 1,481,979.05, 2,044,002.70 and 1,275,598.70
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Solution
The fourth proportional to 1,481,979.05, 2,044,002.70 and 1,275,598.70 is: 1,759,354.95
Step by Step Solution
- Step 1: Write the proportion equation
1,481,979.05 : 2,044,002.70 = 1,275,598.70 : x - Step 2: Convert to fraction form
1,481,979.05/2,044,002.70 = 1,275,598.70/x - Step 3: Cross multiply
1,481,979.05x = 2,044,002.70 × 1,275,598.70 - Step 4: Simplify right side
1,481,979.05x = 2,607,327,178,780.74 - Step 5: Solve for x
x = 2,607,327,178,780.74/1,481,979.05 - Step 6: Final answer
x = 1,759,354.95
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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.