Finding the Fourth Proportional to 4,220,540.25, 5,824,347.74 and 2,286,802.36
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Solution
The fourth proportional to 4,220,540.25, 5,824,347.74 and 2,286,802.36 is: 3,155,788.45
Step by Step Solution
- Step 1: Write the proportion equation
4,220,540.25 : 5,824,347.74 = 2,286,802.36 : x - Step 2: Convert to fraction form
4,220,540.25/5,824,347.74 = 2,286,802.36/x - Step 3: Cross multiply
4,220,540.25x = 5,824,347.74 × 2,286,802.36 - Step 4: Simplify right side
4,220,540.25x = 13,319,132,157,292.67 - Step 5: Solve for x
x = 13,319,132,157,292.67/4,220,540.25 - Step 6: Final answer
x = 3,155,788.45
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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.