Finding the Fourth Proportional to 4,149,515.74, 5,726,356.70 and 2,314,090.06
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Solution
The fourth proportional to 4,149,515.74, 5,726,356.70 and 2,314,090.06 is: 3,193,458.22
Step by Step Solution
- Step 1: Write the proportion equation
4,149,515.74 : 5,726,356.70 = 2,314,090.06 : x - Step 2: Convert to fraction form
4,149,515.74/5,726,356.70 = 2,314,090.06/x - Step 3: Cross multiply
4,149,515.74x = 5,726,356.70 × 2,314,090.06 - Step 4: Simplify right side
4,149,515.74x = 13,251,305,119,484.40 - Step 5: Solve for x
x = 13,251,305,119,484.40/4,149,515.74 - Step 6: Final answer
x = 3,193,458.22
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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.