Finding the Fourth Proportional to 1,642,663.84, 2,266,851.84 and 917,522.12
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Solution
The fourth proportional to 1,642,663.84, 2,266,851.84 and 917,522.12 is: 1,266,166.98
Step by Step Solution
- Step 1: Write the proportion equation
1,642,663.84 : 2,266,851.84 = 917,522.12 : x - Step 2: Convert to fraction form
1,642,663.84/2,266,851.84 = 917,522.12/x - Step 3: Cross multiply
1,642,663.84x = 2,266,851.84 × 917,522.12 - Step 4: Simplify right side
1,642,663.84x = 2,079,886,705,962.70 - Step 5: Solve for x
x = 2,079,886,705,962.70/1,642,663.84 - Step 6: Final answer
x = 1,266,166.98
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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.