Finding the Fourth Proportional to 2,731,389.93, 3,769,317.53 and 1,507,695.12
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Solution
The fourth proportional to 2,731,389.93, 3,769,317.53 and 1,507,695.12 is: 2,080,618.95
Step by Step Solution
- Step 1: Write the proportion equation
2,731,389.93 : 3,769,317.53 = 1,507,695.12 : x - Step 2: Convert to fraction form
2,731,389.93/3,769,317.53 = 1,507,695.12/x - Step 3: Cross multiply
2,731,389.93x = 3,769,317.53 × 1,507,695.12 - Step 4: Simplify right side
2,731,389.93x = 5,682,981,645,711.45 - Step 5: Solve for x
x = 5,682,981,645,711.45/2,731,389.93 - Step 6: Final answer
x = 2,080,618.95
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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.