Finding the Fourth Proportional to 1,813,613.80, 2,720,420.70 and 1,617,658.60
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Solution
The fourth proportional to 1,813,613.80, 2,720,420.70 and 1,617,658.60 is: 2,426,487.90
Step by Step Solution
- Step 1: Write the proportion equation
1,813,613.80 : 2,720,420.70 = 1,617,658.60 : x - Step 2: Convert to fraction form
1,813,613.80/2,720,420.70 = 1,617,658.60/x - Step 3: Cross multiply
1,813,613.80x = 2,720,420.70 × 1,617,658.60 - Step 4: Simplify right side
1,813,613.80x = 4,400,711,940,973.02 - Step 5: Solve for x
x = 4,400,711,940,973.02/1,813,613.80 - Step 6: Final answer
x = 2,426,487.90
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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.