Finding the Fourth Proportional to 1,623,613.59, 2,438,176.05 and 1,410,643.53
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Solution
The fourth proportional to 1,623,613.59, 2,438,176.05 and 1,410,643.53 is: 2,118,359.50
Step by Step Solution
- Step 1: Write the proportion equation
1,623,613.59 : 2,438,176.05 = 1,410,643.53 : x - Step 2: Convert to fraction form
1,623,613.59/2,438,176.05 = 1,410,643.53/x - Step 3: Cross multiply
1,623,613.59x = 2,438,176.05 × 1,410,643.53 - Step 4: Simplify right side
1,623,613.59x = 3,439,397,269,933.46 - Step 5: Solve for x
x = 3,439,397,269,933.46/1,623,613.59 - Step 6: Final answer
x = 2,118,359.50
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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.