Finding the Fourth Proportional to 2,098,811.92, 2,896,346.92 and 1,193,393.84
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Solution
The fourth proportional to 2,098,811.92, 2,896,346.92 and 1,193,393.84 is: 1,646,875.81
Step by Step Solution
- Step 1: Write the proportion equation
2,098,811.92 : 2,896,346.92 = 1,193,393.84 : x - Step 2: Convert to fraction form
2,098,811.92/2,896,346.92 = 1,193,393.84/x - Step 3: Cross multiply
2,098,811.92x = 2,896,346.92 × 1,193,393.84 - Step 4: Simplify right side
2,098,811.92x = 3,456,482,572,830.97 - Step 5: Solve for x
x = 3,456,482,572,830.97/2,098,811.92 - Step 6: Final answer
x = 1,646,875.81
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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.