Finding the Fourth Proportional to 1,577,117.70, 2,365,676.55 and 579,716.10
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Solution
The fourth proportional to 1,577,117.70, 2,365,676.55 and 579,716.10 is: 869,574.15
Step by Step Solution
- Step 1: Write the proportion equation
1,577,117.70 : 2,365,676.55 = 579,716.10 : x - Step 2: Convert to fraction form
1,577,117.70/2,365,676.55 = 579,716.10/x - Step 3: Cross multiply
1,577,117.70x = 2,365,676.55 × 579,716.10 - Step 4: Simplify right side
1,577,117.70x = 1,371,420,783,427.45 - Step 5: Solve for x
x = 1,371,420,783,427.45/1,577,117.70 - Step 6: Final answer
x = 869,574.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.