Finding the Fourth Proportional to 1,560,686.25, 2,153,922.08 and 881,666.49
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Solution
The fourth proportional to 1,560,686.25, 2,153,922.08 and 881,666.49 is: 1,216,798.65
Step by Step Solution
- Step 1: Write the proportion equation
1,560,686.25 : 2,153,922.08 = 881,666.49 : x - Step 2: Convert to fraction form
1,560,686.25/2,153,922.08 = 881,666.49/x - Step 3: Cross multiply
1,560,686.25x = 2,153,922.08 × 881,666.49 - Step 4: Simplify right side
1,560,686.25x = 1,899,040,915,598.77 - Step 5: Solve for x
x = 1,899,040,915,598.77/1,560,686.25 - Step 6: Final answer
x = 1,216,798.65
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1.5x scale
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.