Finding the Fourth Proportional to 1,525,560.99, 2,105,092.29 and 905,267.64
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Solution
The fourth proportional to 1,525,560.99, 2,105,092.29 and 905,267.64 is: 1,249,161.43
Step by Step Solution
- Step 1: Write the proportion equation
1,525,560.99 : 2,105,092.29 = 905,267.64 : x - Step 2: Convert to fraction form
1,525,560.99/2,105,092.29 = 905,267.64/x - Step 3: Cross multiply
1,525,560.99x = 2,105,092.29 × 905,267.64 - Step 4: Simplify right side
1,525,560.99x = 1,905,671,940,639.35 - Step 5: Solve for x
x = 1,905,671,940,639.35/1,525,560.99 - Step 6: Final answer
x = 1,249,161.43
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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.