Finding the Fourth Proportional to 3,523,407.68, 5,285,510.68 and 3,161,354.20
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Solution
The fourth proportional to 3,523,407.68, 5,285,510.68 and 3,161,354.20 is: 4,742,389.44
Step by Step Solution
- Step 1: Write the proportion equation
3,523,407.68 : 5,285,510.68 = 3,161,354.20 : x - Step 2: Convert to fraction form
3,523,407.68/5,285,510.68 = 3,161,354.20/x - Step 3: Cross multiply
3,523,407.68x = 5,285,510.68 × 3,161,354.20 - Step 4: Simplify right side
3,523,407.68x = 16,709,371,387,362.86 - Step 5: Solve for x
x = 16,709,371,387,362.86/3,523,407.68 - Step 6: Final answer
x = 4,742,389.44
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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.