Finding the Fourth Proportional to 2,155,553.84, 2,975,236.72 and 1,273,276.74
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Solution
The fourth proportional to 2,155,553.84, 2,975,236.72 and 1,273,276.74 is: 1,757,460.03
Step by Step Solution
- Step 1: Write the proportion equation
2,155,553.84 : 2,975,236.72 = 1,273,276.74 : x - Step 2: Convert to fraction form
2,155,553.84/2,975,236.72 = 1,273,276.74/x - Step 3: Cross multiply
2,155,553.84x = 2,975,236.72 × 1,273,276.74 - Step 4: Simplify right side
2,155,553.84x = 3,788,299,711,569.89 - Step 5: Solve for x
x = 3,788,299,711,569.89/2,155,553.84 - Step 6: Final answer
x = 1,757,460.03
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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.