Finding the Fourth Proportional to 5,312,638.13, 7,970,302.19 and 1,526,121
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Solution
The fourth proportional to 5,312,638.13, 7,970,302.19 and 1,526,121 is: 2,289,567.87
Step by Step Solution
- Step 1: Write the proportion equation
5,312,638.13 : 7,970,302.19 = 1,526,121 : x - Step 2: Convert to fraction form
5,312,638.13/7,970,302.19 = 1,526,121/x - Step 3: Cross multiply
5,312,638.13x = 7,970,302.19 × 1,526,121 - Step 4: Simplify right side
5,312,638.13x = 12,163,645,552,320.29 - Step 5: Solve for x
x = 12,163,645,552,320.29/5,312,638.13 - Step 6: Final answer
x = 2,289,567.87
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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.