Finding the Fourth Proportional to 1,642,203.99, 2,266,110.90 and 917,008.43
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Solution
The fourth proportional to 1,642,203.99, 2,266,110.90 and 917,008.43 is: 1,265,398.70
Step by Step Solution
- Step 1: Write the proportion equation
1,642,203.99 : 2,266,110.90 = 917,008.43 : x - Step 2: Convert to fraction form
1,642,203.99/2,266,110.90 = 917,008.43/x - Step 3: Cross multiply
1,642,203.99x = 2,266,110.90 × 917,008.43 - Step 4: Simplify right side
1,642,203.99x = 2,078,042,787,284.33 - Step 5: Solve for x
x = 2,078,042,787,284.33/1,642,203.99 - Step 6: Final answer
x = 1,265,398.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.