Finding the Fourth Proportional to 2,487,289.05, 3,730,516.22 and 690,355.08
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Solution
The fourth proportional to 2,487,289.05, 3,730,516.22 and 690,355.08 is: 1,035,416.78
Step by Step Solution
- Step 1: Write the proportion equation
2,487,289.05 : 3,730,516.22 = 690,355.08 : x - Step 2: Convert to fraction form
2,487,289.05/3,730,516.22 = 690,355.08/x - Step 3: Cross multiply
2,487,289.05x = 3,730,516.22 × 690,355.08 - Step 4: Simplify right side
2,487,289.05x = 2,575,380,825,225.29 - Step 5: Solve for x
x = 2,575,380,825,225.29/2,487,289.05 - Step 6: Final answer
x = 1,035,416.78
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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.