Finding the Fourth Proportional to 5,430,229.71, 8,148,775.73 and 3,035,646.96
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Solution
The fourth proportional to 5,430,229.71, 8,148,775.73 and 3,035,646.96 is: 4,555,388.55
Step by Step Solution
- Step 1: Write the proportion equation
5,430,229.71 : 8,148,775.73 = 3,035,646.96 : x - Step 2: Convert to fraction form
5,430,229.71/8,148,775.73 = 3,035,646.96/x - Step 3: Cross multiply
5,430,229.71x = 8,148,775.73 × 3,035,646.96 - Step 4: Simplify right side
5,430,229.71x = 24,736,806,257,318.04 - Step 5: Solve for x
x = 24,736,806,257,318.04/5,430,229.71 - Step 6: Final answer
x = 4,555,388.55
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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.