Finding the Fourth Proportional to 2,853,438.42, 3,937,744.68 and 1,564,287.92
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Solution
The fourth proportional to 2,853,438.42, 3,937,744.68 and 1,564,287.92 is: 2,158,717.14
Step by Step Solution
- Step 1: Write the proportion equation
2,853,438.42 : 3,937,744.68 = 1,564,287.92 : x - Step 2: Convert to fraction form
2,853,438.42/3,937,744.68 = 1,564,287.92/x - Step 3: Cross multiply
2,853,438.42x = 3,937,744.68 × 1,564,287.92 - Step 4: Simplify right side
2,853,438.42x = 6,159,766,415,279.54 - Step 5: Solve for x
x = 6,159,766,415,279.54/2,853,438.42 - Step 6: Final answer
x = 2,158,717.14
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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.