Finding the Fourth Proportional to 1,653,471.09, 2,281,613.94 and 928,397.97
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Solution
The fourth proportional to 1,653,471.09, 2,281,613.94 and 928,397.97 is: 1,281,090.29
Step by Step Solution
- Step 1: Write the proportion equation
1,653,471.09 : 2,281,613.94 = 928,397.97 : x - Step 2: Convert to fraction form
1,653,471.09/2,281,613.94 = 928,397.97/x - Step 3: Cross multiply
1,653,471.09x = 2,281,613.94 × 928,397.97 - Step 4: Simplify right side
1,653,471.09x = 2,118,245,750,219.70 - Step 5: Solve for x
x = 2,118,245,750,219.70/1,653,471.09 - Step 6: Final answer
x = 1,281,090.29
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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.