Finding the Fourth Proportional to 1,520,750.75, 2,098,493.58 and 908,781.68
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Solution
The fourth proportional to 1,520,750.75, 2,098,493.58 and 908,781.68 is: 1,254,033.59
Step by Step Solution
- Step 1: Write the proportion equation
1,520,750.75 : 2,098,493.58 = 908,781.68 : x - Step 2: Convert to fraction form
1,520,750.75/2,098,493.58 = 908,781.68/x - Step 3: Cross multiply
1,520,750.75x = 2,098,493.58 × 908,781.68 - Step 4: Simplify right side
1,520,750.75x = 1,907,072,521,101.61 - Step 5: Solve for x
x = 1,907,072,521,101.61/1,520,750.75 - Step 6: Final answer
x = 1,254,033.59
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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.