Finding the Fourth Proportional to 1,468,415.20, 2,201,966.70 and 569,558.20
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Solution
The fourth proportional to 1,468,415.20, 2,201,966.70 and 569,558.20 is: 854,082.82
Step by Step Solution
- Step 1: Write the proportion equation
1,468,415.20 : 2,201,966.70 = 569,558.20 : x - Step 2: Convert to fraction form
1,468,415.20/2,201,966.70 = 569,558.20/x - Step 3: Cross multiply
1,468,415.20x = 2,201,966.70 × 569,558.20 - Step 4: Simplify right side
1,468,415.20x = 1,254,148,190,111.94 - Step 5: Solve for x
x = 1,254,148,190,111.94/1,468,415.20 - Step 6: Final answer
x = 854,082.82
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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.