Finding the Fourth Proportional to 1,560,298.67, 2,153,220.12 and 871,982.01
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Solution
The fourth proportional to 1,560,298.67, 2,153,220.12 and 871,982.01 is: 1,203,339.62
Step by Step Solution
- Step 1: Write the proportion equation
1,560,298.67 : 2,153,220.12 = 871,982.01 : x - Step 2: Convert to fraction form
1,560,298.67/2,153,220.12 = 871,982.01/x - Step 3: Cross multiply
1,560,298.67x = 2,153,220.12 × 871,982.01 - Step 4: Simplify right side
1,560,298.67x = 1,877,569,208,210.04 - Step 5: Solve for x
x = 1,877,569,208,210.04/1,560,298.67 - Step 6: Final answer
x = 1,203,339.62
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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.