Finding the Fourth Proportional to 3,127,444.75, 4,315,844.60 and 1,769,317.75
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Solution
The fourth proportional to 3,127,444.75, 4,315,844.60 and 1,769,317.75 is: 2,441,642.00
Step by Step Solution
- Step 1: Write the proportion equation
3,127,444.75 : 4,315,844.60 = 1,769,317.75 : x - Step 2: Convert to fraction form
3,127,444.75/4,315,844.60 = 1,769,317.75/x - Step 3: Cross multiply
3,127,444.75x = 4,315,844.60 × 1,769,317.75 - Step 4: Simplify right side
3,127,444.75x = 7,636,100,448,175.06 - Step 5: Solve for x
x = 7,636,100,448,175.06/3,127,444.75 - Step 6: Final answer
x = 2,441,642.00
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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.