Finding the Fourth Proportional to 2,438,021.60, 3,364,494.53 and 1,470,965.03
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Solution
The fourth proportional to 2,438,021.60, 3,364,494.53 and 1,470,965.03 is: 2,029,946.65
Step by Step Solution
- Step 1: Write the proportion equation
2,438,021.60 : 3,364,494.53 = 1,470,965.03 : x - Step 2: Convert to fraction form
2,438,021.60/3,364,494.53 = 1,470,965.03/x - Step 3: Cross multiply
2,438,021.60x = 3,364,494.53 × 1,470,965.03 - Step 4: Simplify right side
2,438,021.60x = 4,949,053,773,078.99 - Step 5: Solve for x
x = 4,949,053,773,078.99/2,438,021.60 - Step 6: Final answer
x = 2,029,946.65
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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.