Finding the Fourth Proportional to 1,533,486.24, 2,116,219.68 and 889,288.92
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Solution
The fourth proportional to 1,533,486.24, 2,116,219.68 and 889,288.92 is: 1,227,223.74
Step by Step Solution
- Step 1: Write the proportion equation
1,533,486.24 : 2,116,219.68 = 889,288.92 : x - Step 2: Convert to fraction form
1,533,486.24/2,116,219.68 = 889,288.92/x - Step 3: Cross multiply
1,533,486.24x = 2,116,219.68 × 889,288.92 - Step 4: Simplify right side
1,533,486.24x = 1,881,930,713,709.95 - Step 5: Solve for x
x = 1,881,930,713,709.95/1,533,486.24 - Step 6: Final answer
x = 1,227,223.74
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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.