Finding the Fourth Proportional to 2,963,748.29, 4,089,946.97 and 1,605,618.05
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Solution
The fourth proportional to 2,963,748.29, 4,089,946.97 and 1,605,618.05 is: 2,215,739.00
Step by Step Solution
- Step 1: Write the proportion equation
2,963,748.29 : 4,089,946.97 = 1,605,618.05 : x - Step 2: Convert to fraction form
2,963,748.29/4,089,946.97 = 1,605,618.05/x - Step 3: Cross multiply
2,963,748.29x = 4,089,946.97 × 1,605,618.05 - Step 4: Simplify right side
2,963,748.29x = 6,566,892,662,139.12 - Step 5: Solve for x
x = 6,566,892,662,139.12/2,963,748.29 - Step 6: Final answer
x = 2,215,739.00
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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.