Finding the Fourth Proportional to 2,090,811.19, 2,885,493.35 and 1,160,606.49
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Solution
The fourth proportional to 2,090,811.19, 2,885,493.35 and 1,160,606.49 is: 1,601,733.49
Step by Step Solution
- Step 1: Write the proportion equation
2,090,811.19 : 2,885,493.35 = 1,160,606.49 : x - Step 2: Convert to fraction form
2,090,811.19/2,885,493.35 = 1,160,606.49/x - Step 3: Cross multiply
2,090,811.19x = 2,885,493.35 × 1,160,606.49 - Step 4: Simplify right side
2,090,811.19x = 3,348,922,303,058.81 - Step 5: Solve for x
x = 3,348,922,303,058.81/2,090,811.19 - Step 6: Final answer
x = 1,601,733.49
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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.