Finding the Fourth Proportional to 1,642,291.68, 2,266,318.32 and 917,119.20
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Solution
The fourth proportional to 1,642,291.68, 2,266,318.32 and 917,119.20 is: 1,265,599.81
Step by Step Solution
- Step 1: Write the proportion equation
1,642,291.68 : 2,266,318.32 = 917,119.20 : x - Step 2: Convert to fraction form
1,642,291.68/2,266,318.32 = 917,119.20/x - Step 3: Cross multiply
1,642,291.68x = 2,266,318.32 × 917,119.20 - Step 4: Simplify right side
1,642,291.68x = 2,078,484,044,583.74 - Step 5: Solve for x
x = 2,078,484,044,583.74/1,642,291.68 - Step 6: Final answer
x = 1,265,599.81
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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.