Finding the Fourth Proportional to 2,349,769.32, 3,242,842.02 and 1,331,182.44
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Solution
The fourth proportional to 2,349,769.32, 3,242,842.02 and 1,331,182.44 is: 1,837,122.61
Step by Step Solution
- Step 1: Write the proportion equation
2,349,769.32 : 3,242,842.02 = 1,331,182.44 : x - Step 2: Convert to fraction form
2,349,769.32/3,242,842.02 = 1,331,182.44/x - Step 3: Cross multiply
2,349,769.32x = 3,242,842.02 × 1,331,182.44 - Step 4: Simplify right side
2,349,769.32x = 4,316,814,352,718.13 - Step 5: Solve for x
x = 4,316,814,352,718.13/2,349,769.32 - Step 6: Final answer
x = 1,837,122.61
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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.