Finding the Fourth Proportional to 1,557,792.35, 2,336,875.07 and 478,163.49
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Solution
The fourth proportional to 1,557,792.35, 2,336,875.07 and 478,163.49 is: 717,302.50
Step by Step Solution
- Step 1: Write the proportion equation
1,557,792.35 : 2,336,875.07 = 478,163.49 : x - Step 2: Convert to fraction form
1,557,792.35/2,336,875.07 = 478,163.49/x - Step 3: Cross multiply
1,557,792.35x = 2,336,875.07 × 478,163.49 - Step 4: Simplify right side
1,557,792.35x = 1,117,408,336,774.38 - Step 5: Solve for x
x = 1,117,408,336,774.38/1,557,792.35 - Step 6: Final answer
x = 717,302.50
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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.