Finding the Fourth Proportional to 1,484,125.20, 2,227,062.60 and 980,143.20
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Solution
The fourth proportional to 1,484,125.20, 2,227,062.60 and 980,143.20 is: 1,470,792.53
Step by Step Solution
- Step 1: Write the proportion equation
1,484,125.20 : 2,227,062.60 = 980,143.20 : x - Step 2: Convert to fraction form
1,484,125.20/2,227,062.60 = 980,143.20/x - Step 3: Cross multiply
1,484,125.20x = 2,227,062.60 × 980,143.20 - Step 4: Simplify right side
1,484,125.20x = 2,182,840,263,364.32 - Step 5: Solve for x
x = 2,182,840,263,364.32/1,484,125.20 - Step 6: Final answer
x = 1,470,792.53
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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.