Finding the Fourth Proportional to 1,425,964.92, 2,138,924.43 and 346,486.02
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Solution
The fourth proportional to 1,425,964.92, 2,138,924.43 and 346,486.02 is: 519,723.45
Step by Step Solution
- Step 1: Write the proportion equation
1,425,964.92 : 2,138,924.43 = 346,486.02 : x - Step 2: Convert to fraction form
1,425,964.92/2,138,924.43 = 346,486.02/x - Step 3: Cross multiply
1,425,964.92x = 2,138,924.43 × 346,486.02 - Step 4: Simplify right side
1,425,964.92x = 741,107,412,831.47 - Step 5: Solve for x
x = 741,107,412,831.47/1,425,964.92 - Step 6: Final answer
x = 519,723.45
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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.