Finding the Fourth Proportional to 1,642,970.36, 2,267,136.06 and 917,802.48
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Solution
The fourth proportional to 1,642,970.36, 2,267,136.06 and 917,802.48 is: 1,266,476.35
Step by Step Solution
- Step 1: Write the proportion equation
1,642,970.36 : 2,267,136.06 = 917,802.48 : x - Step 2: Convert to fraction form
1,642,970.36/2,267,136.06 = 917,802.48/x - Step 3: Cross multiply
1,642,970.36x = 2,267,136.06 × 917,802.48 - Step 4: Simplify right side
1,642,970.36x = 2,080,783,098,365.43 - Step 5: Solve for x
x = 2,080,783,098,365.43/1,642,970.36 - Step 6: Final answer
x = 1,266,476.35
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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.