Finding the Fourth Proportional to 1,525,216.79, 2,104,985.82 and 880,635.90
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Solution
The fourth proportional to 1,525,216.79, 2,104,985.82 and 880,635.90 is: 1,215,385.31
Step by Step Solution
- Step 1: Write the proportion equation
1,525,216.79 : 2,104,985.82 = 880,635.90 : x - Step 2: Convert to fraction form
1,525,216.79/2,104,985.82 = 880,635.90/x - Step 3: Cross multiply
1,525,216.79x = 2,104,985.82 × 880,635.90 - Step 4: Simplify right side
1,525,216.79x = 1,853,726,082,082.94 - Step 5: Solve for x
x = 1,853,726,082,082.94/1,525,216.79 - Step 6: Final answer
x = 1,215,385.31
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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.