Finding the Fourth Proportional to 2,118,268.08, 2,923,229.52 and 1,151,400.65
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Solution
The fourth proportional to 2,118,268.08, 2,923,229.52 and 1,151,400.65 is: 1,588,943.53
Step by Step Solution
- Step 1: Write the proportion equation
2,118,268.08 : 2,923,229.52 = 1,151,400.65 : x - Step 2: Convert to fraction form
2,118,268.08/2,923,229.52 = 1,151,400.65/x - Step 3: Cross multiply
2,118,268.08x = 2,923,229.52 × 1,151,400.65 - Step 4: Simplify right side
2,118,268.08x = 3,365,808,354,811.04 - Step 5: Solve for x
x = 3,365,808,354,811.04/2,118,268.08 - Step 6: Final answer
x = 1,588,943.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.