Finding the Fourth Proportional to 1,974,036.70, 2,724,179.34 and 1,068,618.70
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Solution
The fourth proportional to 1,974,036.70, 2,724,179.34 and 1,068,618.70 is: 1,474,698.51
Step by Step Solution
- Step 1: Write the proportion equation
1,974,036.70 : 2,724,179.34 = 1,068,618.70 : x - Step 2: Convert to fraction form
1,974,036.70/2,724,179.34 = 1,068,618.70/x - Step 3: Cross multiply
1,974,036.70x = 2,724,179.34 × 1,068,618.70 - Step 4: Simplify right side
1,974,036.70x = 2,911,108,984,877.66 - Step 5: Solve for x
x = 2,911,108,984,877.66/1,974,036.70 - Step 6: Final answer
x = 1,474,698.51
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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.