Finding the Fourth Proportional to 2,963,243.62, 4,089,295.83 and 1,605,116.62
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Solution
The fourth proportional to 2,963,243.62, 4,089,295.83 and 1,605,116.62 is: 2,215,071.57
Step by Step Solution
- Step 1: Write the proportion equation
2,963,243.62 : 4,089,295.83 = 1,605,116.62 : x - Step 2: Convert to fraction form
2,963,243.62/4,089,295.83 = 1,605,116.62/x - Step 3: Cross multiply
2,963,243.62x = 4,089,295.83 × 1,605,116.62 - Step 4: Simplify right side
2,963,243.62x = 6,563,796,700,829.70 - Step 5: Solve for x
x = 6,563,796,700,829.70/2,963,243.62 - Step 6: Final answer
x = 2,215,071.57
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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.