Finding the Fourth Proportional to 3,929,587.20, 5,897,491.20 and 1,534,579.20
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Solution
The fourth proportional to 3,929,587.20, 5,897,491.20 and 1,534,579.20 is: 2,303,083.47
Step by Step Solution
- Step 1: Write the proportion equation
3,929,587.20 : 5,897,491.20 = 1,534,579.20 : x - Step 2: Convert to fraction form
3,929,587.20/5,897,491.20 = 1,534,579.20/x - Step 3: Cross multiply
3,929,587.20x = 5,897,491.20 × 1,534,579.20 - Step 4: Simplify right side
3,929,587.20x = 9,050,167,327,703.04 - Step 5: Solve for x
x = 9,050,167,327,703.04/3,929,587.20 - Step 6: Final answer
x = 2,303,083.47
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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.