Finding the Fourth Proportional to 1,829,703.13, 2,525,005.16 and 1,013,920.44
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Solution
The fourth proportional to 1,829,703.13, 2,525,005.16 and 1,013,920.44 is: 1,399,218.44
Step by Step Solution
- Step 1: Write the proportion equation
1,829,703.13 : 2,525,005.16 = 1,013,920.44 : x - Step 2: Convert to fraction form
1,829,703.13/2,525,005.16 = 1,013,920.44/x - Step 3: Cross multiply
1,829,703.13x = 2,525,005.16 × 1,013,920.44 - Step 4: Simplify right side
1,829,703.13x = 2,560,154,348,784.67 - Step 5: Solve for x
x = 2,560,154,348,784.67/1,829,703.13 - Step 6: Final answer
x = 1,399,218.44
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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.