Finding the Fourth Proportional to 1,520,749.48, 2,098,492.08 and 908,780.80
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Solution
The fourth proportional to 1,520,749.48, 2,098,492.08 and 908,780.80 is: 1,254,032.53
Step by Step Solution
- Step 1: Write the proportion equation
1,520,749.48 : 2,098,492.08 = 908,780.80 : x - Step 2: Convert to fraction form
1,520,749.48/2,098,492.08 = 908,780.80/x - Step 3: Cross multiply
1,520,749.48x = 2,098,492.08 × 908,780.80 - Step 4: Simplify right side
1,520,749.48x = 1,907,069,311,256.06 - Step 5: Solve for x
x = 1,907,069,311,256.06/1,520,749.48 - Step 6: Final answer
x = 1,254,032.53
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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.