Finding the Fourth Proportional to 1,720,572.16, 2,580,333.44 and 458,235.84
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Solution
The fourth proportional to 1,720,572.16, 2,580,333.44 and 458,235.84 is: 687,213.99
Step by Step Solution
- Step 1: Write the proportion equation
1,720,572.16 : 2,580,333.44 = 458,235.84 : x - Step 2: Convert to fraction form
1,720,572.16/2,580,333.44 = 458,235.84/x - Step 3: Cross multiply
1,720,572.16x = 2,580,333.44 × 458,235.84 - Step 4: Simplify right side
1,720,572.16x = 1,182,401,261,358.49 - Step 5: Solve for x
x = 1,182,401,261,358.49/1,720,572.16 - Step 6: Final answer
x = 687,213.99
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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.