Finding the Fourth Proportional to 1,956,334.08, 2,700,220.80 and 1,192,808.32
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Solution
The fourth proportional to 1,956,334.08, 2,700,220.80 and 1,192,808.32 is: 1,646,368.00
Step by Step Solution
- Step 1: Write the proportion equation
1,956,334.08 : 2,700,220.80 = 1,192,808.32 : x - Step 2: Convert to fraction form
1,956,334.08/2,700,220.80 = 1,192,808.32/x - Step 3: Cross multiply
1,956,334.08x = 2,700,220.80 × 1,192,808.32 - Step 4: Simplify right side
1,956,334.08x = 3,220,845,836,077.06 - Step 5: Solve for x
x = 3,220,845,836,077.06/1,956,334.08 - Step 6: Final answer
x = 1,646,368.00
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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.