Finding the Fourth Proportional to 1,465,076.35, 2,021,709.13 and 820,348.75
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Solution
The fourth proportional to 1,465,076.35, 2,021,709.13 and 820,348.75 is: 1,132,027.39
Step by Step Solution
- Step 1: Write the proportion equation
1,465,076.35 : 2,021,709.13 = 820,348.75 : x - Step 2: Convert to fraction form
1,465,076.35/2,021,709.13 = 820,348.75/x - Step 3: Cross multiply
1,465,076.35x = 2,021,709.13 × 820,348.75 - Step 4: Simplify right side
1,465,076.35x = 1,658,506,557,659.09 - Step 5: Solve for x
x = 1,658,506,557,659.09/1,465,076.35 - Step 6: Final answer
x = 1,132,027.39
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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.