Finding the Fourth Proportional to 3,258,790.79, 4,496,090.83 and 1,881,952.58
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Solution
The fourth proportional to 3,258,790.79, 4,496,090.83 and 1,881,952.58 is: 2,596,493.70
Step by Step Solution
- Step 1: Write the proportion equation
3,258,790.79 : 4,496,090.83 = 1,881,952.58 : x - Step 2: Convert to fraction form
3,258,790.79/4,496,090.83 = 1,881,952.58/x - Step 3: Cross multiply
3,258,790.79x = 4,496,090.83 × 1,881,952.58 - Step 4: Simplify right side
3,258,790.79x = 8,461,429,743,968.19 - Step 5: Solve for x
x = 8,461,429,743,968.19/3,258,790.79 - Step 6: Final answer
x = 2,596,493.70
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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.