Finding the Fourth Proportional to 3,820,956.64, 5,272,954.40 and 2,078,663.99
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Solution
The fourth proportional to 3,820,956.64, 5,272,954.40 and 2,078,663.99 is: 2,868,574.93
Step by Step Solution
- Step 1: Write the proportion equation
3,820,956.64 : 5,272,954.40 = 2,078,663.99 : x - Step 2: Convert to fraction form
3,820,956.64/5,272,954.40 = 2,078,663.99/x - Step 3: Cross multiply
3,820,956.64x = 5,272,954.40 × 2,078,663.99 - Step 4: Simplify right side
3,820,956.64x = 10,960,700,424,206.33 - Step 5: Solve for x
x = 10,960,700,424,206.33/3,820,956.64 - Step 6: Final answer
x = 2,868,574.93
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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.