Finding the Fourth Proportional to 1,704,220.48, 2,557,652.64 and 640,230.40
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Solution
The fourth proportional to 1,704,220.48, 2,557,652.64 and 640,230.40 is: 960,842.21
Step by Step Solution
- Step 1: Write the proportion equation
1,704,220.48 : 2,557,652.64 = 640,230.40 : x - Step 2: Convert to fraction form
1,704,220.48/2,557,652.64 = 640,230.40/x - Step 3: Cross multiply
1,704,220.48x = 2,557,652.64 × 640,230.40 - Step 4: Simplify right side
1,704,220.48x = 1,637,486,972,768.26 - Step 5: Solve for x
x = 1,637,486,972,768.26/1,704,220.48 - Step 6: Final answer
x = 960,842.21
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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.