Finding the Fourth Proportional to 1,474,875.09, 2,212,312.65 and 528,910.11
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Solution
The fourth proportional to 1,474,875.09, 2,212,312.65 and 528,910.11 is: 793,365.17
Step by Step Solution
- Step 1: Write the proportion equation
1,474,875.09 : 2,212,312.65 = 528,910.11 : x - Step 2: Convert to fraction form
1,474,875.09/2,212,312.65 = 528,910.11/x - Step 3: Cross multiply
1,474,875.09x = 2,212,312.65 × 528,910.11 - Step 4: Simplify right side
1,474,875.09x = 1,170,114,527,065.89 - Step 5: Solve for x
x = 1,170,114,527,065.89/1,474,875.09 - Step 6: Final answer
x = 793,365.17
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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.