Finding the Fourth Proportional to 1,371,681.36, 1,892,950.56 and 782,968.68
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Solution
The fourth proportional to 1,371,681.36, 1,892,950.56 and 782,968.68 is: 1,080,514.06
Step by Step Solution
- Step 1: Write the proportion equation
1,371,681.36 : 1,892,950.56 = 782,968.68 : x - Step 2: Convert to fraction form
1,371,681.36/1,892,950.56 = 782,968.68/x - Step 3: Cross multiply
1,371,681.36x = 1,892,950.56 × 782,968.68 - Step 4: Simplify right side
1,371,681.36x = 1,482,121,001,268.46 - Step 5: Solve for x
x = 1,482,121,001,268.46/1,371,681.36 - Step 6: Final answer
x = 1,080,514.06
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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.