Finding the Fourth Proportional to 1,425,470.78, 2,137,983.09 and 465,919.05
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Solution
The fourth proportional to 1,425,470.78, 2,137,983.09 and 465,919.05 is: 698,805.66
Step by Step Solution
- Step 1: Write the proportion equation
1,425,470.78 : 2,137,983.09 = 465,919.05 : x - Step 2: Convert to fraction form
1,425,470.78/2,137,983.09 = 465,919.05/x - Step 3: Cross multiply
1,425,470.78x = 2,137,983.09 × 465,919.05 - Step 4: Simplify right side
1,425,470.78x = 996,127,050,208.86 - Step 5: Solve for x
x = 996,127,050,208.86/1,425,470.78 - Step 6: Final answer
x = 698,805.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.