Finding the Fourth Proportional to 2,667,943.05, 4,001,315.60 and 1,227,242.79
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Solution
The fourth proportional to 2,667,943.05, 4,001,315.60 and 1,227,242.79 is: 1,840,588.66
Step by Step Solution
- Step 1: Write the proportion equation
2,667,943.05 : 4,001,315.60 = 1,227,242.79 : x - Step 2: Convert to fraction form
2,667,943.05/4,001,315.60 = 1,227,242.79/x - Step 3: Cross multiply
2,667,943.05x = 4,001,315.60 × 1,227,242.79 - Step 4: Simplify right side
2,667,943.05x = 4,910,585,714,478.31 - Step 5: Solve for x
x = 4,910,585,714,478.31/2,667,943.05 - Step 6: Final answer
x = 1,840,588.66
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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.