Finding the Fourth Proportional to 1,102,412.82, 1,518,179.58 and 992,581.68
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Solution
The fourth proportional to 1,102,412.82, 1,518,179.58 and 992,581.68 is: 1,366,926.45
Step by Step Solution
- Step 1: Write the proportion equation
1,102,412.82 : 1,518,179.58 = 992,581.68 : x - Step 2: Convert to fraction form
1,102,412.82/1,518,179.58 = 992,581.68/x - Step 3: Cross multiply
1,102,412.82x = 1,518,179.58 × 992,581.68 - Step 4: Simplify right side
1,102,412.82x = 1,506,917,238,058.09 - Step 5: Solve for x
x = 1,506,917,238,058.09/1,102,412.82 - Step 6: Final answer
x = 1,366,926.45
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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.