Finding the Fourth Proportional to 2,148,266.28, 2,963,768.40 and 1,230,004.68
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Solution
The fourth proportional to 2,148,266.28, 2,963,768.40 and 1,230,004.68 is: 1,696,926.05
Step by Step Solution
- Step 1: Write the proportion equation
2,148,266.28 : 2,963,768.40 = 1,230,004.68 : x - Step 2: Convert to fraction form
2,148,266.28/2,963,768.40 = 1,230,004.68/x - Step 3: Cross multiply
2,148,266.28x = 2,963,768.40 × 1,230,004.68 - Step 4: Simplify right side
2,148,266.28x = 3,645,449,002,436.11 - Step 5: Solve for x
x = 3,645,449,002,436.11/2,148,266.28 - Step 6: Final answer
x = 1,696,926.05
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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.