Finding the Fourth Proportional to 5,430,156.90, 8,149,828.05 and 2,237,574.30
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Solution
The fourth proportional to 5,430,156.90, 8,149,828.05 and 2,237,574.30 is: 3,358,253.94
Step by Step Solution
- Step 1: Write the proportion equation
5,430,156.90 : 8,149,828.05 = 2,237,574.30 : x - Step 2: Convert to fraction form
5,430,156.90/8,149,828.05 = 2,237,574.30/x - Step 3: Cross multiply
5,430,156.90x = 8,149,828.05 × 2,237,574.30 - Step 4: Simplify right side
5,430,156.90x = 18,235,845,794,099.11 - Step 5: Solve for x
x = 18,235,845,794,099.11/5,430,156.90 - Step 6: Final answer
x = 3,358,253.94
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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.