Finding the Fourth Proportional to 1,457,159.05, 2,010,888.24 and 812,619.97
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Solution
The fourth proportional to 1,457,159.05, 2,010,888.24 and 812,619.97 is: 1,121,420.44
Step by Step Solution
- Step 1: Write the proportion equation
1,457,159.05 : 2,010,888.24 = 812,619.97 : x - Step 2: Convert to fraction form
1,457,159.05/2,010,888.24 = 812,619.97/x - Step 3: Cross multiply
1,457,159.05x = 2,010,888.24 × 812,619.97 - Step 4: Simplify right side
1,457,159.05x = 1,634,087,941,262.15 - Step 5: Solve for x
x = 1,634,087,941,262.15/1,457,159.05 - Step 6: Final answer
x = 1,121,420.44
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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.