Finding the Fourth Proportional to 1,560,228.13, 2,153,117.74 and 871,899.99
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Solution
The fourth proportional to 1,560,228.13, 2,153,117.74 and 871,899.99 is: 1,203,223.62
Step by Step Solution
- Step 1: Write the proportion equation
1,560,228.13 : 2,153,117.74 = 871,899.99 : x - Step 2: Convert to fraction form
1,560,228.13/2,153,117.74 = 871,899.99/x - Step 3: Cross multiply
1,560,228.13x = 2,153,117.74 × 871,899.99 - Step 4: Simplify right side
1,560,228.13x = 1,877,303,328,990.51 - Step 5: Solve for x
x = 1,877,303,328,990.51/1,560,228.13 - Step 6: Final answer
x = 1,203,223.62
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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.