Finding the Fourth Proportional to 1,642,647.84, 2,266,829.76 and 917,506.12
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Solution
The fourth proportional to 1,642,647.84, 2,266,829.76 and 917,506.12 is: 1,266,144.90
Step by Step Solution
- Step 1: Write the proportion equation
1,642,647.84 : 2,266,829.76 = 917,506.12 : x - Step 2: Convert to fraction form
1,642,647.84/2,266,829.76 = 917,506.12/x - Step 3: Cross multiply
1,642,647.84x = 2,266,829.76 × 917,506.12 - Step 4: Simplify right side
1,642,647.84x = 2,079,830,177,798.13 - Step 5: Solve for x
x = 2,079,830,177,798.13/1,642,647.84 - Step 6: Final answer
x = 1,266,144.90
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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.